diff --git a/backend/.eslintrc.js b/backend/.eslintrc.js
index 096e4d60a..6ce43ef35 100644
--- a/backend/.eslintrc.js
+++ b/backend/.eslintrc.js
@@ -4,7 +4,7 @@ module.exports = {
     node: true,
   },
   parser: '@typescript-eslint/parser',
-  plugins: ['prettier', '@typescript-eslint', 'type-graphql'],
+  plugins: ['prettier', '@typescript-eslint', 'type-graphql', 'jest'],
   extends: ['standard', 'eslint:recommended', 'plugin:prettier/recommended'],
   // add your custom rules here
   rules: {
@@ -16,11 +16,17 @@ module.exports = {
         htmlWhitespaceSensitivity: 'ignore',
       },
     ],
+    // jest
+    'jest/no-disabled-tests': 'error',
+    'jest/no-focused-tests': 'error',
+    'jest/no-identical-title': 'error',
+    'jest/prefer-to-have-length': 'error',
+    'jest/valid-expect': 'error',
   },
   overrides: [
     // only for ts files
     {
-      files: ['*.ts'],
+      files: ['*.ts', '*.tsx'],
       extends: [
         'plugin:@typescript-eslint/recommended',
         'plugin:@typescript-eslint/recommended-requiring-type-checking',
diff --git a/backend/@types/klicktipp-api/index.d.ts b/backend/@types/klicktipp-api/index.d.ts
new file mode 100644
index 000000000..e34bfc6c6
--- /dev/null
+++ b/backend/@types/klicktipp-api/index.d.ts
@@ -0,0 +1 @@
+declare module 'klicktipp-api'
diff --git a/backend/jest.config.js b/backend/jest.config.js
index 66a883b51..f2e2a556d 100644
--- a/backend/jest.config.js
+++ b/backend/jest.config.js
@@ -6,7 +6,7 @@ module.exports = {
   collectCoverageFrom: ['src/**/*.ts', '!**/node_modules/**', '!src/seeds/**', '!build/**'],
   coverageThreshold: {
     global: {
-      lines: 81,
+      lines: 85,
     },
   },
   setupFiles: ['<rootDir>/test/testSetup.ts'],
diff --git a/backend/package.json b/backend/package.json
index 22e75f4af..47636486f 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -62,12 +62,14 @@
     "eslint-config-prettier": "^8.3.0",
     "eslint-config-standard": "^16.0.3",
     "eslint-plugin-import": "^2.23.4",
+    "eslint-plugin-jest": "^27.2.1",
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-prettier": "^3.4.0",
     "eslint-plugin-promise": "^5.1.0",
     "eslint-plugin-type-graphql": "^1.0.0",
     "faker": "^5.5.3",
     "jest": "^27.2.4",
+    "klicktipp-api": "^1.0.2",
     "nodemon": "^2.0.7",
     "prettier": "^2.3.1",
     "ts-jest": "^27.0.5",
diff --git a/backend/src/apis/KlicktippController.ts b/backend/src/apis/KlicktippController.ts
index fe9ad563a..a291bb945 100644
--- a/backend/src/apis/KlicktippController.ts
+++ b/backend/src/apis/KlicktippController.ts
@@ -1,8 +1,10 @@
+/* eslint-disable @typescript-eslint/no-unsafe-member-access */
+/* eslint-disable @typescript-eslint/no-unsafe-call */
 /* eslint-disable @typescript-eslint/no-unsafe-return */
 /* eslint-disable @typescript-eslint/no-unsafe-assignment */
 /* eslint-disable @typescript-eslint/no-explicit-any */
 /* eslint-disable @typescript-eslint/explicit-module-boundary-types */
-import { KlicktippConnector } from './klicktippConnector'
+import KlicktippConnector from 'klicktipp-api'
 import CONFIG from '@/config'
 
 const klicktippConnector = new KlicktippConnector()
diff --git a/backend/src/apis/klicktippConnector.ts b/backend/src/apis/klicktippConnector.ts
deleted file mode 100644
index 0ff741604..000000000
--- a/backend/src/apis/klicktippConnector.ts
+++ /dev/null
@@ -1,624 +0,0 @@
-/* eslint-disable @typescript-eslint/no-unsafe-return */
-/* eslint-disable @typescript-eslint/no-unsafe-member-access */
-/* eslint-disable @typescript-eslint/no-unsafe-assignment */
-/* eslint-disable @typescript-eslint/restrict-template-expressions */
-/* eslint-disable @typescript-eslint/no-explicit-any */
-/* eslint-disable @typescript-eslint/explicit-module-boundary-types */
-import axios, { AxiosRequestConfig, Method } from 'axios'
-
-export class KlicktippConnector {
-  private baseURL: string
-  private sessionName: string
-  private sessionId: string
-  private error: string
-
-  constructor(service?: string) {
-    this.baseURL = service !== undefined ? service : 'https://api.klicktipp.com'
-    this.sessionName = ''
-    this.sessionId = ''
-  }
-
-  /**
-   * Get last error
-   *
-   * @return string an error description of the last error
-   */
-  getLastError(): string {
-    const result = this.error
-    return result
-  }
-
-  /**
-   * login
-   *
-   * @param username The login name of the user to login.
-   * @param password The password of the user.
-   * @return TRUE on success
-   */
-  async login(username: string, password: string): Promise<boolean> {
-    if (!(username.length > 0 && password.length > 0)) {
-      throw new Error('Klicktipp Login failed: Illegal Arguments')
-    }
-
-    const res = await this.httpRequest('/account/login', 'POST', { username, password }, false)
-
-    if (!res.isAxiosError) {
-      this.sessionId = res.data.sessid
-      this.sessionName = res.data.session_name
-
-      return true
-    }
-
-    throw new Error(`Klicktipp Login failed: ${res.response.statusText}`)
-  }
-
-  /**
-   * Logs out the user currently logged in.
-   *
-   * @return TRUE on success
-   */
-  async logout(): Promise<boolean> {
-    const res = await this.httpRequest('/account/logout', 'POST')
-
-    if (!res.isAxiosError) {
-      this.sessionId = ''
-      this.sessionName = ''
-
-      return true
-    }
-
-    throw new Error(`Klicktipp Logout failed: ${res.response.statusText}`)
-  }
-
-  /**
-   * Get all subscription processes (lists) of the logged in user. Requires to be logged in.
-   *
-   * @return A associative obeject <list id> => <list name>
-   */
-  async subscriptionProcessIndex(): Promise<any> {
-    const res = await this.httpRequest('/list', 'GET', {}, true)
-
-    if (!res.isAxiosError) {
-      return res.data
-    }
-
-    throw new Error(`Klicktipp Subscription process index failed: ${res.response.statusText}`)
-  }
-
-  /**
-   * Get subscription process (list) definition. Requires to be logged in.
-   *
-   * @param listid The id of the subscription process
-   *
-   * @return An object representing the Klicktipp subscription process.
-   */
-  async subscriptionProcessGet(listid: string): Promise<any> {
-    if (!listid || listid === '') {
-      throw new Error('Klicktipp Illegal Arguments')
-    }
-
-    // retrieve
-    const res = await this.httpRequest(`/subscriber/${listid}`, 'GET', {}, true)
-
-    if (!res.isAxiosError) {
-      return res.data
-    }
-
-    throw new Error(`Klicktipp Subscription process get failed: ${res.response.statusText}`)
-  }
-
-  /**
-   * Get subscription process (list) redirection url for given subscription.
-   *
-   * @param listid The id of the subscription process.
-   * @param email The email address of the subscriber.
-   *
-   * @return A redirection url as defined in the subscription process.
-   */
-  async subscriptionProcessRedirect(listid: string, email: string): Promise<any> {
-    if (!listid || listid === '' || !email || email === '') {
-      throw new Error('Klicktipp Illegal Arguments')
-    }
-
-    // update
-    const data = { listid, email }
-    const res = await this.httpRequest('/list/redirect', 'POST', data)
-
-    if (!res.isAxiosError) {
-      return res.data
-    }
-
-    throw new Error(
-      `Klicktipp Subscription process get redirection url failed: ${res.response.statusText}`,
-    )
-  }
-
-  /**
-   * Get all manual tags of the logged in user. Requires to be logged in.
-   *
-   * @return A associative object <tag id> => <tag name>
-   */
-  async tagIndex(): Promise<any> {
-    const res = await this.httpRequest('/tag', 'GET', {}, true)
-
-    if (!res.isAxiosError) {
-      return res.data
-    }
-
-    throw new Error(`Klicktipp Tag index failed: ${res.response.statusText}`)
-  }
-
-  /**
-   * Get a tag definition. Requires to be logged in.
-   *
-   * @param tagid The tag id.
-   *
-   * @return An object representing the Klicktipp tag object.
-   */
-  async tagGet(tagid: string): Promise<any> {
-    if (!tagid || tagid === '') {
-      throw new Error('Klicktipp Illegal Arguments')
-    }
-    const res = await this.httpRequest(`/tag/${tagid}`, 'GET', {}, true)
-
-    if (!res.isAxiosError) {
-      return res.data
-    }
-
-    throw new Error(`Klicktipp Tag get failed: ${res.response.statusText}`)
-  }
-
-  /**
-   * Create a new manual tag. Requires to be logged in.
-   *
-   * @param name The name of the tag.
-   * @param text (optional) An additional description of the tag.
-   *
-   * @return The id of the newly created tag or false if failed.
-   */
-  async tagCreate(name: string, text?: string): Promise<boolean> {
-    if (!name || name === '') {
-      throw new Error('Klicktipp Illegal Arguments')
-    }
-    const data = {
-      name,
-      text: text !== undefined ? text : '',
-    }
-    const res = await this.httpRequest('/tag', 'POST', data, true)
-
-    if (!res.isAxiosError) {
-      return res.data
-    }
-
-    throw new Error(`Klicktipp Tag creation failed: ${res.response.statusText}`)
-  }
-
-  /**
-   * Updates a tag. Requires to be logged in.
-   *
-   * @param tagid The tag id used to identify which tag to modify.
-   * @param name (optional) The new tag name. Set empty to leave it unchanged.
-   * @param text (optional) The new tag description. Set empty to leave it unchanged.
-   *
-   * @return TRUE on success
-   */
-  async tagUpdate(tagid: string, name?: string, text?: string): Promise<boolean> {
-    if (!tagid || tagid === '' || (name === '' && text === '')) {
-      throw new Error('Klicktipp Illegal Arguments')
-    }
-    const data = {
-      name: name !== undefined ? name : '',
-      text: text !== undefined ? text : '',
-    }
-
-    const res = await this.httpRequest(`/tag/${tagid}`, 'PUT', data, true)
-
-    if (!res.isAxiosError) {
-      return true
-    }
-
-    throw new Error(`Klicktipp Tag update failed: ${res.response.statusText}`)
-  }
-
-  /**
-   * Deletes a tag. Requires to be logged in.
-   *
-   * @param tagid The user id of the user to delete.
-   *
-   * @return TRUE on success
-   */
-  async tagDelete(tagid: string): Promise<boolean> {
-    if (!tagid || tagid === '') {
-      throw new Error('Klicktipp Illegal Arguments')
-    }
-
-    const res = await this.httpRequest(`/tag/${tagid}`, 'DELETE')
-
-    if (!res.isAxiosError) {
-      return true
-    }
-
-    throw new Error(`Klicktipp Tag deletion failed: ${res.response.statusText}`)
-  }
-
-  /**
-   * Get all contact fields of the logged in user. Requires to be logged in.
-   *
-   * @return A associative object <field id> => <field name>
-   */
-  async fieldIndex(): Promise<any> {
-    const res = await this.httpRequest('/field', 'GET', {}, true)
-
-    if (!res.isAxiosError) {
-      return res.data
-    }
-
-    throw new Error(`Klicktipp Field index failed: ${res.response.statusText}`)
-  }
-
-  /**
-   * Subscribe an email. Requires to be logged in.
-   *
-   * @param email The email address of the subscriber.
-   * @param listid (optional) The id subscription process.
-   * @param tagid (optional) The id of the manual tag the subscriber will be tagged with.
-   * @param fields (optional) Additional fields of the subscriber.
-   *
-   * @return An object representing the Klicktipp subscriber object.
-   */
-  async subscribe(
-    email: string,
-    listid?: number,
-    tagid?: number,
-    fields?: any,
-    smsnumber?: string,
-  ): Promise<any> {
-    if ((!email || email === '') && smsnumber === '') {
-      throw new Error('Illegal Arguments')
-    }
-    // subscribe
-    const data = {
-      email,
-      fields: fields !== undefined ? fields : {},
-      smsnumber: smsnumber !== undefined ? smsnumber : '',
-      listid: listid !== undefined ? listid : 0,
-      tagid: tagid !== undefined ? tagid : 0,
-    }
-
-    const res = await this.httpRequest('/subscriber', 'POST', data, true)
-
-    if (!res.isAxiosError) {
-      return res.data
-    }
-    throw new Error(`Klicktipp Subscription failed: ${res.response.statusText}`)
-  }
-
-  /**
-   * Unsubscribe an email. Requires to be logged in.
-   *
-   * @param email The email address of the subscriber.
-   *
-   * @return TRUE on success
-   */
-  async unsubscribe(email: string): Promise<boolean> {
-    if (!email || email === '') {
-      throw new Error('Klicktipp Illegal Arguments')
-    }
-
-    // unsubscribe
-    const data = { email }
-
-    const res = await this.httpRequest('/subscriber/unsubscribe', 'POST', data, true)
-
-    if (!res.isAxiosError) {
-      return true
-    }
-    throw new Error(`Klicktipp Unsubscription failed:  ${res.response.statusText}`)
-  }
-
-  /**
-   * Tag an email. Requires to be logged in.
-   *
-   * @param email The email address of the subscriber.
-   * @param tagids an array of the manual tag(s) the subscriber will be tagged with.
-   *
-   * @return TRUE on success
-   */
-  async tag(email: string, tagids: string): Promise<boolean> {
-    if (!email || email === '' || !tagids || tagids === '') {
-      throw new Error('Klicktipp Illegal Arguments')
-    }
-
-    // tag
-    const data = {
-      email,
-      tagids,
-    }
-
-    const res = await this.httpRequest('/subscriber/tag', 'POST', data, true)
-
-    if (!res.isAxiosError) {
-      return res.data
-    }
-    throw new Error(`Klicktipp Tagging failed: ${res.response.statusText}`)
-  }
-
-  /**
-   * Untag an email. Requires to be logged in.
-   *
-   * @param mixed $email The email address of the subscriber.
-   * @param mixed $tagid The id of the manual tag that will be removed from the subscriber.
-   *
-   * @return TRUE on success.
-   */
-  async untag(email: string, tagid: string): Promise<boolean> {
-    if (!email || email === '' || !tagid || tagid === '') {
-      throw new Error('Klicktipp Illegal Arguments')
-    }
-
-    // subscribe
-    const data = {
-      email,
-      tagid,
-    }
-
-    const res = await this.httpRequest('/subscriber/untag', 'POST', data, true)
-
-    if (!res.isAxiosError) {
-      return true
-    }
-    throw new Error(`Klicktipp Untagging failed: ${res.response.statusText}`)
-  }
-
-  /**
-   * Resend an autoresponder for an email address. Requires to be logged in.
-   *
-   * @param email A valid email address
-   * @param autoresponder An id of the autoresponder
-   *
-   * @return TRUE on success
-   */
-  async resend(email: string, autoresponder: string): Promise<boolean> {
-    if (!email || email === '' || !autoresponder || autoresponder === '') {
-      throw new Error('Klicktipp Illegal Arguments')
-    }
-
-    // resend/reset autoresponder
-    const data = { email, autoresponder }
-
-    const res = await this.httpRequest('/subscriber/resend', 'POST', data, true)
-
-    if (!res.isAxiosError) {
-      return true
-    }
-    throw new Error(`Klicktipp Resend failed: ${res.response.statusText}`)
-  }
-
-  /**
-   * Get all active subscribers. Requires to be logged in.
-   *
-   * @return An array of subscriber ids.
-   */
-  async subscriberIndex(): Promise<[string]> {
-    const res = await this.httpRequest('/subscriber', 'GET', undefined, true)
-
-    if (!res.isAxiosError) {
-      return res.data
-    }
-    throw new Error(`Klicktipp Subscriber index failed: ${res.response.statusText}`)
-  }
-
-  /**
-   * Get subscriber information. Requires to be logged in.
-   *
-   * @param subscriberid The subscriber id.
-   *
-   * @return An object representing the Klicktipp subscriber.
-   */
-  async subscriberGet(subscriberid: string): Promise<any> {
-    if (!subscriberid || subscriberid === '') {
-      throw new Error('Klicktipp Illegal Arguments')
-    }
-
-    // retrieve
-    const res = await this.httpRequest(`/subscriber/${subscriberid}`, 'GET', {}, true)
-    if (!res.isAxiosError) {
-      return res.data
-    }
-    throw new Error(`Klicktipp Subscriber get failed:  ${res.response.statusText}`)
-  }
-
-  /**
-   * Get a subscriber id by email. Requires to be logged in.
-   *
-   * @param email The email address of the subscriber.
-   *
-   * @return The id of the subscriber. Use subscriber_get to get subscriber details.
-   */
-  async subscriberSearch(email: string): Promise<any> {
-    if (!email || email === '') {
-      throw new Error('Klicktipp Illegal Arguments')
-    }
-    // search
-    const data = { email }
-    const res = await this.httpRequest('/subscriber/search', 'POST', data, true)
-
-    if (!res.isAxiosError) {
-      return res.data
-    }
-    throw new Error(`Klicktipp Subscriber search failed: ${res.response.statusText}`)
-  }
-
-  /**
-   * Get all active subscribers tagged with the given tag id. Requires to be logged in.
-   *
-   * @param tagid The id of the tag.
-   *
-   * @return An array with id -> subscription date of the tagged subscribers. Use subscriber_get to get subscriber details.
-   */
-  async subscriberTagged(tagid: string): Promise<any> {
-    if (!tagid || tagid === '') {
-      throw new Error('Klicktipp Illegal Arguments')
-    }
-
-    // search
-    const data = { tagid }
-    const res = await this.httpRequest('/subscriber/tagged', 'POST', data, true)
-
-    if (!res.isAxiosError) {
-      return res.data
-    }
-    throw new Error(`Klicktipp subscriber tagged failed: ${res.response.statusText}`)
-  }
-
-  /**
-   * Updates a subscriber. Requires to be logged in.
-   *
-   * @param subscriberid The id of the subscriber to update.
-   * @param fields (optional) The fields of the subscriber to update
-   * @param newemail (optional) The new email of the subscriber to update
-   *
-   * @return TRUE on success
-   */
-  async subscriberUpdate(
-    subscriberid: string,
-    fields?: any,
-    newemail?: string,
-    newsmsnumber?: string,
-  ): Promise<boolean> {
-    if (!subscriberid || subscriberid === '') {
-      throw new Error('Klicktipp Illegal Arguments')
-    }
-
-    // update
-    const data = {
-      fields: fields !== undefined ? fields : {},
-      newemail: newemail !== undefined ? newemail : '',
-      newsmsnumber: newsmsnumber !== undefined ? newsmsnumber : '',
-    }
-    const res = await this.httpRequest(`/subscriber/${subscriberid}`, 'PUT', data, true)
-    if (!res.isAxiosError) {
-      return true
-    }
-    throw new Error(`Klicktipp Subscriber update failed: ${res.response.statusText}`)
-  }
-
-  /**
-   * Delete a subscribe. Requires to be logged in.
-   *
-   * @param subscriberid The id of the subscriber to update.
-   *
-   * @return TRUE on success.
-   */
-  async subscriberDelete(subscriberid: string): Promise<boolean> {
-    if (!subscriberid || subscriberid === '') {
-      throw new Error('Klicktipp Illegal Arguments')
-    }
-
-    // delete
-    const res = await this.httpRequest(`/subscriber/${subscriberid}`, 'DELETE', {}, true)
-
-    if (!res.isAxiosError) {
-      return true
-    }
-    throw new Error(`Klicktipp Subscriber deletion failed: ${res.response.statusText}`)
-  }
-
-  /**
-   * Subscribe an email. Requires an api key.
-   *
-   * @param apikey The api key (listbuildng configuration).
-   * @param email The email address of the subscriber.
-   * @param fields (optional) Additional fields of the subscriber.
-   *
-   * @return A redirection url as defined in the subscription process.
-   */
-  async signin(apikey: string, email: string, fields?: any, smsnumber?: string): Promise<boolean> {
-    if (!apikey || apikey === '' || ((!email || email === '') && smsnumber === '')) {
-      throw new Error('Klicktipp Illegal Arguments')
-    }
-
-    // subscribe
-    const data = {
-      apikey,
-      email,
-      fields: fields !== undefined ? fields : {},
-      smsnumber: smsnumber !== undefined ? smsnumber : '',
-    }
-
-    const res = await this.httpRequest('/subscriber/signin', 'POST', data)
-
-    if (!res.isAxiosError) {
-      return true
-    }
-    throw new Error(`Klicktipp Subscription failed: ${res.response.statusText}`)
-  }
-
-  /**
-   * Untag an email. Requires an api key.
-   *
-   * @param apikey The api key (listbuildng configuration).
-   * @param email The email address of the subscriber.
-   *
-   * @return TRUE on success
-   */
-  async signout(apikey: string, email: string): Promise<boolean> {
-    if (!apikey || apikey === '' || !email || email === '') {
-      throw new Error('Klicktipp Illegal Arguments')
-    }
-
-    // untag
-    const data = { apikey, email }
-    const res = await this.httpRequest('/subscriber/signout', 'POST', data)
-
-    if (!res.isAxiosError) {
-      return true
-    }
-    throw new Error(`Klicktipp Untagging failed: ${res.response.statusText}`)
-  }
-
-  /**
-   * Unsubscribe an email. Requires an api key.
-   *
-   * @param apikey The api key (listbuildng configuration).
-   * @param email The email address of the subscriber.
-   *
-   * @return TRUE on success
-   */
-  async signoff(apikey: string, email: string): Promise<boolean> {
-    if (!apikey || apikey === '' || !email || email === '') {
-      throw new Error('Klicktipp Illegal Arguments')
-    }
-
-    // unsubscribe
-    const data = { apikey, email }
-    const res = await this.httpRequest('/subscriber/signoff', 'POST', data)
-
-    if (!res.isAxiosError) {
-      return true
-    }
-    throw new Error(`Klicktipp Unsubscription failed: ${res.response.statusText}`)
-  }
-
-  async httpRequest(path: string, method?: Method, data?: any, usesession?: boolean): Promise<any> {
-    if (method === undefined) {
-      method = 'GET'
-    }
-    const options: AxiosRequestConfig = {
-      baseURL: this.baseURL,
-      method,
-      url: path,
-      data,
-      headers: {
-        'Content-Type': 'application/json',
-        Content: 'application/json',
-        Cookie:
-          usesession && this.sessionName !== '' ? `${this.sessionName}=${this.sessionId}` : '',
-      },
-    }
-
-    return axios(options)
-      .then((res) => res)
-      .catch((error) => error)
-  }
-}
diff --git a/backend/src/config/index.ts b/backend/src/config/index.ts
index 9aabaf4ad..ef537d804 100644
--- a/backend/src/config/index.ts
+++ b/backend/src/config/index.ts
@@ -10,7 +10,7 @@ Decimal.set({
 })
 
 const constants = {
-  DB_VERSION: '0062-event_contribution_confirm',
+  DB_VERSION: '0063-event_link_fields',
   DECAY_START_TIME: new Date('2021-05-13 17:46:31-0000'), // GMT+0
   LOG4JS_CONFIG: 'log4js-config.json',
   // default log level on production should be info
diff --git a/backend/src/emails/sendEmailTranslated.test.ts b/backend/src/emails/sendEmailTranslated.test.ts
index f3c75a7a6..73edb79f3 100644
--- a/backend/src/emails/sendEmailTranslated.test.ts
+++ b/backend/src/emails/sendEmailTranslated.test.ts
@@ -102,10 +102,12 @@ describe('sendEmailTranslated', () => {
       })
     })
 
+    // eslint-disable-next-line jest/no-disabled-tests
     it.skip('calls "i18n.setLocale" with "en"', () => {
       expect(i18n.setLocale).toBeCalledWith('en')
     })
 
+    // eslint-disable-next-line jest/no-disabled-tests
     it.skip('calls "i18n.__" for translation', () => {
       expect(i18n.__).toBeCalled()
     })
diff --git a/backend/src/event/EVENT_ADMIN_CONTRIBUTION_CONFIRM.ts b/backend/src/event/EVENT_ADMIN_CONTRIBUTION_CONFIRM.ts
index 140ba8497..c85a7a12c 100644
--- a/backend/src/event/EVENT_ADMIN_CONTRIBUTION_CONFIRM.ts
+++ b/backend/src/event/EVENT_ADMIN_CONTRIBUTION_CONFIRM.ts
@@ -18,5 +18,7 @@ export const EVENT_ADMIN_CONTRIBUTION_CONFIRM = async (
     null,
     contribution,
     null,
+    null,
+    null,
     amount,
   ).save()
diff --git a/backend/src/event/EVENT_ADMIN_CONTRIBUTION_CREATE.ts b/backend/src/event/EVENT_ADMIN_CONTRIBUTION_CREATE.ts
index c95ba5b9b..a10ff1a35 100644
--- a/backend/src/event/EVENT_ADMIN_CONTRIBUTION_CREATE.ts
+++ b/backend/src/event/EVENT_ADMIN_CONTRIBUTION_CREATE.ts
@@ -18,5 +18,7 @@ export const EVENT_ADMIN_CONTRIBUTION_CREATE = async (
     null,
     contribution,
     null,
+    null,
+    null,
     amount,
   ).save()
diff --git a/backend/src/event/EVENT_ADMIN_CONTRIBUTION_DELETE.ts b/backend/src/event/EVENT_ADMIN_CONTRIBUTION_DELETE.ts
index 30cfd8b93..d3dd5508e 100644
--- a/backend/src/event/EVENT_ADMIN_CONTRIBUTION_DELETE.ts
+++ b/backend/src/event/EVENT_ADMIN_CONTRIBUTION_DELETE.ts
@@ -18,5 +18,7 @@ export const EVENT_ADMIN_CONTRIBUTION_DELETE = async (
     null,
     contribution,
     null,
+    null,
+    null,
     amount,
   ).save()
diff --git a/backend/src/event/EVENT_ADMIN_CONTRIBUTION_DENY.ts b/backend/src/event/EVENT_ADMIN_CONTRIBUTION_DENY.ts
index d84467f4f..5f1203766 100644
--- a/backend/src/event/EVENT_ADMIN_CONTRIBUTION_DENY.ts
+++ b/backend/src/event/EVENT_ADMIN_CONTRIBUTION_DENY.ts
@@ -18,5 +18,7 @@ export const EVENT_ADMIN_CONTRIBUTION_DENY = async (
     null,
     contribution,
     null,
+    null,
+    null,
     amount,
   ).save()
diff --git a/backend/src/event/EVENT_ADMIN_CONTRIBUTION_LINK_CREATE.ts b/backend/src/event/EVENT_ADMIN_CONTRIBUTION_LINK_CREATE.ts
new file mode 100644
index 000000000..2ead791ed
--- /dev/null
+++ b/backend/src/event/EVENT_ADMIN_CONTRIBUTION_LINK_CREATE.ts
@@ -0,0 +1,23 @@
+import Decimal from 'decimal.js-light'
+import { User as DbUser } from '@entity/User'
+import { ContributionLink as DbContributionLink } from '@entity/ContributionLink'
+import { Event as DbEvent } from '@entity/Event'
+import { Event, EventType } from './Event'
+
+export const EVENT_ADMIN_CONTRIBUTION_LINK_CREATE = async (
+  moderator: DbUser,
+  contributionLink: DbContributionLink,
+  amount: Decimal,
+): Promise<DbEvent> =>
+  Event(
+    EventType.ADMIN_CONTRIBUTION_LINK_CREATE,
+    { id: 0 } as DbUser,
+    moderator,
+    null,
+    null,
+    null,
+    null,
+    null,
+    contributionLink,
+    amount,
+  ).save()
diff --git a/backend/src/event/EVENT_ADMIN_CONTRIBUTION_LINK_DELETE.ts b/backend/src/event/EVENT_ADMIN_CONTRIBUTION_LINK_DELETE.ts
new file mode 100644
index 000000000..b5816e45d
--- /dev/null
+++ b/backend/src/event/EVENT_ADMIN_CONTRIBUTION_LINK_DELETE.ts
@@ -0,0 +1,20 @@
+import { User as DbUser } from '@entity/User'
+import { ContributionLink as DbContributionLink } from '@entity/ContributionLink'
+import { Event as DbEvent } from '@entity/Event'
+import { Event, EventType } from './Event'
+
+export const EVENT_ADMIN_CONTRIBUTION_LINK_DELETE = async (
+  moderator: DbUser,
+  contributionLink: DbContributionLink,
+): Promise<DbEvent> =>
+  Event(
+    EventType.ADMIN_CONTRIBUTION_LINK_DELETE,
+    { id: 0 } as DbUser,
+    moderator,
+    null,
+    null,
+    null,
+    null,
+    null,
+    contributionLink,
+  ).save()
diff --git a/backend/src/event/EVENT_ADMIN_CONTRIBUTION_LINK_UPDATE.ts b/backend/src/event/EVENT_ADMIN_CONTRIBUTION_LINK_UPDATE.ts
new file mode 100644
index 000000000..6824833b8
--- /dev/null
+++ b/backend/src/event/EVENT_ADMIN_CONTRIBUTION_LINK_UPDATE.ts
@@ -0,0 +1,23 @@
+import Decimal from 'decimal.js-light'
+import { User as DbUser } from '@entity/User'
+import { ContributionLink as DbContributionLink } from '@entity/ContributionLink'
+import { Event as DbEvent } from '@entity/Event'
+import { Event, EventType } from './Event'
+
+export const EVENT_ADMIN_CONTRIBUTION_LINK_UPDATE = async (
+  moderator: DbUser,
+  contributionLink: DbContributionLink,
+  amount: Decimal,
+): Promise<DbEvent> =>
+  Event(
+    EventType.ADMIN_CONTRIBUTION_LINK_UPDATE,
+    { id: 0 } as DbUser,
+    moderator,
+    null,
+    null,
+    null,
+    null,
+    null,
+    contributionLink,
+    amount,
+  ).save()
diff --git a/backend/src/event/EVENT_ADMIN_CONTRIBUTION_MESSAGE_CREATE.ts b/backend/src/event/EVENT_ADMIN_CONTRIBUTION_MESSAGE_CREATE.ts
new file mode 100644
index 000000000..f07d38e98
--- /dev/null
+++ b/backend/src/event/EVENT_ADMIN_CONTRIBUTION_MESSAGE_CREATE.ts
@@ -0,0 +1,23 @@
+import { User as DbUser } from '@entity/User'
+import { Contribution as DbContribution } from '@entity/Contribution'
+import { ContributionMessage as DbContributionMessage } from '@entity/ContributionMessage'
+import { Event as DbEvent } from '@entity/Event'
+import { Event, EventType } from './Event'
+
+export const EVENT_ADMIN_CONTRIBUTION_MESSAGE_CREATE = async (
+  user: DbUser,
+  moderator: DbUser,
+  contribution: DbContribution,
+  contributionMessage: DbContributionMessage,
+): Promise<DbEvent> =>
+  Event(
+    EventType.ADMIN_CONTRIBUTION_MESSAGE_CREATE,
+    user,
+    moderator,
+    null,
+    null,
+    contribution,
+    contributionMessage,
+    null,
+    null,
+  ).save()
diff --git a/backend/src/event/EVENT_ADMIN_CONTRIBUTION_UPDATE.ts b/backend/src/event/EVENT_ADMIN_CONTRIBUTION_UPDATE.ts
index 3fc17f7d2..60315249a 100644
--- a/backend/src/event/EVENT_ADMIN_CONTRIBUTION_UPDATE.ts
+++ b/backend/src/event/EVENT_ADMIN_CONTRIBUTION_UPDATE.ts
@@ -18,5 +18,7 @@ export const EVENT_ADMIN_CONTRIBUTION_UPDATE = async (
     null,
     contribution,
     null,
+    null,
+    null,
     amount,
   ).save()
diff --git a/backend/src/event/EVENT_CONTRIBUTION_CREATE.ts b/backend/src/event/EVENT_CONTRIBUTION_CREATE.ts
index cbc514dc8..50cdbcd18 100644
--- a/backend/src/event/EVENT_CONTRIBUTION_CREATE.ts
+++ b/backend/src/event/EVENT_CONTRIBUTION_CREATE.ts
@@ -9,4 +9,15 @@ export const EVENT_CONTRIBUTION_CREATE = async (
   contribution: DbContribution,
   amount: Decimal,
 ): Promise<DbEvent> =>
-  Event(EventType.CONTRIBUTION_CREATE, user, user, null, null, contribution, null, amount).save()
+  Event(
+    EventType.CONTRIBUTION_CREATE,
+    user,
+    user,
+    null,
+    null,
+    contribution,
+    null,
+    null,
+    null,
+    amount,
+  ).save()
diff --git a/backend/src/event/EVENT_CONTRIBUTION_DELETE.ts b/backend/src/event/EVENT_CONTRIBUTION_DELETE.ts
index b15e57ea8..eab04bf47 100644
--- a/backend/src/event/EVENT_CONTRIBUTION_DELETE.ts
+++ b/backend/src/event/EVENT_CONTRIBUTION_DELETE.ts
@@ -9,4 +9,15 @@ export const EVENT_CONTRIBUTION_DELETE = async (
   contribution: DbContribution,
   amount: Decimal,
 ): Promise<DbEvent> =>
-  Event(EventType.CONTRIBUTION_DELETE, user, user, null, null, contribution, null, amount).save()
+  Event(
+    EventType.CONTRIBUTION_DELETE,
+    user,
+    user,
+    null,
+    null,
+    contribution,
+    null,
+    null,
+    null,
+    amount,
+  ).save()
diff --git a/backend/src/event/EVENT_CONTRIBUTION_LINK_REDEEM.ts b/backend/src/event/EVENT_CONTRIBUTION_LINK_REDEEM.ts
new file mode 100644
index 000000000..395772ac9
--- /dev/null
+++ b/backend/src/event/EVENT_CONTRIBUTION_LINK_REDEEM.ts
@@ -0,0 +1,27 @@
+import Decimal from 'decimal.js-light'
+import { User as DbUser } from '@entity/User'
+import { Transaction as DbTransaction } from '@entity/Transaction'
+import { Contribution as DbContribution } from '@entity/Contribution'
+import { ContributionLink as DbContributionLink } from '@entity/ContributionLink'
+import { Event as DbEvent } from '@entity/Event'
+import { Event, EventType } from './Event'
+
+export const EVENT_CONTRIBUTION_LINK_REDEEM = async (
+  user: DbUser,
+  transaction: DbTransaction,
+  contribution: DbContribution,
+  contributionLink: DbContributionLink,
+  amount: Decimal,
+): Promise<DbEvent> =>
+  Event(
+    EventType.CONTRIBUTION_LINK_REDEEM,
+    user,
+    user,
+    null,
+    transaction,
+    contribution,
+    null,
+    null,
+    contributionLink,
+    amount,
+  ).save()
diff --git a/backend/src/event/EVENT_CONTRIBUTION_MESSAGE_CREATE.ts b/backend/src/event/EVENT_CONTRIBUTION_MESSAGE_CREATE.ts
new file mode 100644
index 000000000..b06685a6d
--- /dev/null
+++ b/backend/src/event/EVENT_CONTRIBUTION_MESSAGE_CREATE.ts
@@ -0,0 +1,22 @@
+import { User as DbUser } from '@entity/User'
+import { Contribution as DbContribution } from '@entity/Contribution'
+import { ContributionMessage as DbContributionMessage } from '@entity/ContributionMessage'
+import { Event as DbEvent } from '@entity/Event'
+import { Event, EventType } from './Event'
+
+export const EVENT_CONTRIBUTION_MESSAGE_CREATE = async (
+  user: DbUser,
+  contribution: DbContribution,
+  contributionMessage: DbContributionMessage,
+): Promise<DbEvent> =>
+  Event(
+    EventType.CONTRIBUTION_MESSAGE_CREATE,
+    user,
+    user,
+    null,
+    null,
+    contribution,
+    contributionMessage,
+    null,
+    null,
+  ).save()
diff --git a/backend/src/event/EVENT_CONTRIBUTION_UPDATE.ts b/backend/src/event/EVENT_CONTRIBUTION_UPDATE.ts
index 2fb56dc77..82f14edd6 100644
--- a/backend/src/event/EVENT_CONTRIBUTION_UPDATE.ts
+++ b/backend/src/event/EVENT_CONTRIBUTION_UPDATE.ts
@@ -9,4 +9,15 @@ export const EVENT_CONTRIBUTION_UPDATE = async (
   contribution: DbContribution,
   amount: Decimal,
 ): Promise<DbEvent> =>
-  Event(EventType.CONTRIBUTION_UPDATE, user, user, null, null, contribution, null, amount).save()
+  Event(
+    EventType.CONTRIBUTION_UPDATE,
+    user,
+    user,
+    null,
+    null,
+    contribution,
+    null,
+    null,
+    null,
+    amount,
+  ).save()
diff --git a/backend/src/event/EVENT_TRANSACTION_LINK_CREATE.ts b/backend/src/event/EVENT_TRANSACTION_LINK_CREATE.ts
new file mode 100644
index 000000000..36fdb3ff0
--- /dev/null
+++ b/backend/src/event/EVENT_TRANSACTION_LINK_CREATE.ts
@@ -0,0 +1,23 @@
+import Decimal from 'decimal.js-light'
+import { User as DbUser } from '@entity/User'
+import { TransactionLink as DbTransactionLink } from '@entity/TransactionLink'
+import { Event as DbEvent } from '@entity/Event'
+import { Event, EventType } from './Event'
+
+export const EVENT_TRANSACTION_LINK_CREATE = async (
+  user: DbUser,
+  transactionLink: DbTransactionLink,
+  amount: Decimal,
+): Promise<DbEvent> =>
+  Event(
+    EventType.TRANSACTION_LINK_CREATE,
+    user,
+    user,
+    null,
+    null,
+    null,
+    null,
+    transactionLink,
+    null,
+    amount,
+  ).save()
diff --git a/backend/src/event/EVENT_TRANSACTION_LINK_DELETE.ts b/backend/src/event/EVENT_TRANSACTION_LINK_DELETE.ts
new file mode 100644
index 000000000..d15c786a8
--- /dev/null
+++ b/backend/src/event/EVENT_TRANSACTION_LINK_DELETE.ts
@@ -0,0 +1,19 @@
+import { User as DbUser } from '@entity/User'
+import { TransactionLink as DbTransactionLink } from '@entity/TransactionLink'
+import { Event as DbEvent } from '@entity/Event'
+import { Event, EventType } from './Event'
+
+export const EVENT_TRANSACTION_LINK_DELETE = async (
+  user: DbUser,
+  transactionLink: DbTransactionLink,
+): Promise<DbEvent> =>
+  Event(
+    EventType.TRANSACTION_LINK_DELETE,
+    user,
+    user,
+    null,
+    null,
+    null,
+    null,
+    transactionLink,
+  ).save()
diff --git a/backend/src/event/EVENT_TRANSACTION_LINK_REDEEM.ts b/backend/src/event/EVENT_TRANSACTION_LINK_REDEEM.ts
new file mode 100644
index 000000000..58307a4e1
--- /dev/null
+++ b/backend/src/event/EVENT_TRANSACTION_LINK_REDEEM.ts
@@ -0,0 +1,24 @@
+import Decimal from 'decimal.js-light'
+import { User as DbUser } from '@entity/User'
+import { TransactionLink as DbTransactionLink } from '@entity/TransactionLink'
+import { Event as DbEvent } from '@entity/Event'
+import { Event, EventType } from './Event'
+
+export const EVENT_TRANSACTION_LINK_REDEEM = async (
+  user: DbUser,
+  senderUser: DbUser,
+  transactionLink: DbTransactionLink,
+  amount: Decimal,
+): Promise<DbEvent> =>
+  Event(
+    EventType.TRANSACTION_LINK_REDEEM,
+    user,
+    user,
+    senderUser,
+    null,
+    null,
+    null,
+    transactionLink,
+    null,
+    amount,
+  ).save()
diff --git a/backend/src/event/EVENT_TRANSACTION_RECEIVE.ts b/backend/src/event/EVENT_TRANSACTION_RECEIVE.ts
index 78f561148..acb2f5881 100644
--- a/backend/src/event/EVENT_TRANSACTION_RECEIVE.ts
+++ b/backend/src/event/EVENT_TRANSACTION_RECEIVE.ts
@@ -18,5 +18,7 @@ export const EVENT_TRANSACTION_RECEIVE = async (
     transaction,
     null,
     null,
+    null,
+    null,
     amount,
   ).save()
diff --git a/backend/src/event/EVENT_TRANSACTION_SEND.ts b/backend/src/event/EVENT_TRANSACTION_SEND.ts
index e281b0d30..a342cb0aa 100644
--- a/backend/src/event/EVENT_TRANSACTION_SEND.ts
+++ b/backend/src/event/EVENT_TRANSACTION_SEND.ts
@@ -18,5 +18,7 @@ export const EVENT_TRANSACTION_SEND = async (
     transaction,
     null,
     null,
+    null,
+    null,
     amount,
   ).save()
diff --git a/backend/src/event/Event.ts b/backend/src/event/Event.ts
index 163b0b646..cdb05748c 100644
--- a/backend/src/event/Event.ts
+++ b/backend/src/event/Event.ts
@@ -1,8 +1,10 @@
 import { Event as DbEvent } from '@entity/Event'
 import { User as DbUser } from '@entity/User'
-import { ContributionMessage as DbContributionMessage } from '@entity/ContributionMessage'
-import { Contribution as DbContribution } from '@entity/Contribution'
 import { Transaction as DbTransaction } from '@entity/Transaction'
+import { TransactionLink as DbTransactionLink } from '@entity/TransactionLink'
+import { Contribution as DbContribution } from '@entity/Contribution'
+import { ContributionMessage as DbContributionMessage } from '@entity/ContributionMessage'
+import { ContributionLink as DbContributionLink } from '@entity/ContributionLink'
 import Decimal from 'decimal.js-light'
 import { EventType } from './Event'
 
@@ -14,6 +16,8 @@ export const Event = (
   involvedTransaction: DbTransaction | null = null,
   involvedContribution: DbContribution | null = null,
   involvedContributionMessage: DbContributionMessage | null = null,
+  involvedTransactionLink: DbTransactionLink | null = null,
+  involvedContributionLink: DbContributionLink | null = null,
   amount: Decimal | null = null,
 ): DbEvent => {
   const event = new DbEvent()
@@ -24,6 +28,8 @@ export const Event = (
   event.involvedTransaction = involvedTransaction
   event.involvedContribution = involvedContribution
   event.involvedContributionMessage = involvedContributionMessage
+  event.involvedTransactionLink = involvedTransactionLink
+  event.involvedContributionLink = involvedContributionLink
   event.amount = amount
   return event
 }
@@ -36,13 +42,22 @@ export { EVENT_ADMIN_CONTRIBUTION_CREATE } from './EVENT_ADMIN_CONTRIBUTION_CREA
 export { EVENT_ADMIN_CONTRIBUTION_DELETE } from './EVENT_ADMIN_CONTRIBUTION_DELETE'
 export { EVENT_ADMIN_CONTRIBUTION_DENY } from './EVENT_ADMIN_CONTRIBUTION_DENY'
 export { EVENT_ADMIN_CONTRIBUTION_UPDATE } from './EVENT_ADMIN_CONTRIBUTION_UPDATE'
+export { EVENT_ADMIN_CONTRIBUTION_LINK_CREATE } from './EVENT_ADMIN_CONTRIBUTION_LINK_CREATE'
+export { EVENT_ADMIN_CONTRIBUTION_LINK_DELETE } from './EVENT_ADMIN_CONTRIBUTION_LINK_DELETE'
+export { EVENT_ADMIN_CONTRIBUTION_LINK_UPDATE } from './EVENT_ADMIN_CONTRIBUTION_LINK_UPDATE'
+export { EVENT_ADMIN_CONTRIBUTION_MESSAGE_CREATE } from './EVENT_ADMIN_CONTRIBUTION_MESSAGE_CREATE'
 export { EVENT_ADMIN_SEND_CONFIRMATION_EMAIL } from './EVENT_ADMIN_SEND_CONFIRMATION_EMAIL'
 export { EVENT_CONTRIBUTION_CREATE } from './EVENT_CONTRIBUTION_CREATE'
 export { EVENT_CONTRIBUTION_DELETE } from './EVENT_CONTRIBUTION_DELETE'
 export { EVENT_CONTRIBUTION_UPDATE } from './EVENT_CONTRIBUTION_UPDATE'
+export { EVENT_CONTRIBUTION_MESSAGE_CREATE } from './EVENT_CONTRIBUTION_MESSAGE_CREATE'
+export { EVENT_CONTRIBUTION_LINK_REDEEM } from './EVENT_CONTRIBUTION_LINK_REDEEM'
 export { EVENT_LOGIN } from './EVENT_LOGIN'
 export { EVENT_REGISTER } from './EVENT_REGISTER'
 export { EVENT_SEND_ACCOUNT_MULTIREGISTRATION_EMAIL } from './EVENT_SEND_ACCOUNT_MULTIREGISTRATION_EMAIL'
 export { EVENT_SEND_CONFIRMATION_EMAIL } from './EVENT_SEND_CONFIRMATION_EMAIL'
 export { EVENT_TRANSACTION_SEND } from './EVENT_TRANSACTION_SEND'
 export { EVENT_TRANSACTION_RECEIVE } from './EVENT_TRANSACTION_RECEIVE'
+export { EVENT_TRANSACTION_LINK_CREATE } from './EVENT_TRANSACTION_LINK_CREATE'
+export { EVENT_TRANSACTION_LINK_DELETE } from './EVENT_TRANSACTION_LINK_DELETE'
+export { EVENT_TRANSACTION_LINK_REDEEM } from './EVENT_TRANSACTION_LINK_REDEEM'
diff --git a/backend/src/event/EventType.ts b/backend/src/event/EventType.ts
index 241923ffd..47056f05e 100644
--- a/backend/src/event/EventType.ts
+++ b/backend/src/event/EventType.ts
@@ -1,8 +1,3 @@
-export { EVENT_SEND_ACCOUNT_MULTIREGISTRATION_EMAIL } from './EVENT_SEND_ACCOUNT_MULTIREGISTRATION_EMAIL'
-export { EVENT_SEND_CONFIRMATION_EMAIL } from './EVENT_SEND_CONFIRMATION_EMAIL'
-export { EVENT_TRANSACTION_SEND } from './EVENT_TRANSACTION_SEND'
-export { EVENT_TRANSACTION_RECEIVE } from './EVENT_TRANSACTION_RECEIVE'
-
 export enum EventType {
   ACTIVATE_ACCOUNT = 'ACTIVATE_ACCOUNT',
   // TODO CONTRIBUTION_CONFIRM = 'CONTRIBUTION_CONFIRM',
@@ -11,10 +6,16 @@ export enum EventType {
   ADMIN_CONTRIBUTION_DELETE = 'ADMIN_CONTRIBUTION_DELETE',
   ADMIN_CONTRIBUTION_DENY = 'ADMIN_CONTRIBUTION_DENY',
   ADMIN_CONTRIBUTION_UPDATE = 'ADMIN_CONTRIBUTION_UPDATE',
+  ADMIN_CONTRIBUTION_LINK_CREATE = 'ADMIN_CONTRIBUTION_LINK_CREATE',
+  ADMIN_CONTRIBUTION_LINK_DELETE = 'ADMIN_CONTRIBUTION_LINK_DELETE',
+  ADMIN_CONTRIBUTION_LINK_UPDATE = 'ADMIN_CONTRIBUTION_LINK_UPDATE',
+  ADMIN_CONTRIBUTION_MESSAGE_CREATE = 'ADMIN_CONTRIBUTION_MESSAGE_CREATE',
   ADMIN_SEND_CONFIRMATION_EMAIL = 'ADMIN_SEND_CONFIRMATION_EMAIL',
   CONTRIBUTION_CREATE = 'CONTRIBUTION_CREATE',
   CONTRIBUTION_DELETE = 'CONTRIBUTION_DELETE',
   CONTRIBUTION_UPDATE = 'CONTRIBUTION_UPDATE',
+  CONTRIBUTION_MESSAGE_CREATE = 'CONTRIBUTION_MESSAGE_CREATE',
+  CONTRIBUTION_LINK_REDEEM = 'CONTRIBUTION_LINK_REDEEM',
   LOGIN = 'LOGIN',
   REGISTER = 'REGISTER',
   REDEEM_REGISTER = 'REDEEM_REGISTER',
@@ -22,6 +23,9 @@ export enum EventType {
   SEND_CONFIRMATION_EMAIL = 'SEND_CONFIRMATION_EMAIL',
   TRANSACTION_SEND = 'TRANSACTION_SEND',
   TRANSACTION_RECEIVE = 'TRANSACTION_RECEIVE',
+  TRANSACTION_LINK_CREATE = 'TRANSACTION_LINK_CREATE',
+  TRANSACTION_LINK_DELETE = 'TRANSACTION_LINK_DELETE',
+  TRANSACTION_LINK_REDEEM = 'TRANSACTION_LINK_REDEEM',
   // VISIT_GRADIDO = 'VISIT_GRADIDO',
   // VERIFY_REDEEM = 'VERIFY_REDEEM',
   // INACTIVE_ACCOUNT = 'INACTIVE_ACCOUNT',
@@ -40,17 +44,10 @@ export enum EventType {
   // SEND_TRANSACTION_LINK_REDEEM_EMAIL = 'SEND_TRANSACTION_LINK_REDEEM_EMAIL',
   // SEND_ADDED_CONTRIBUTION_EMAIL = 'SEND_ADDED_CONTRIBUTION_EMAIL',
   // SEND_CONTRIBUTION_CONFIRM_EMAIL = 'SEND_CONTRIBUTION_CONFIRM_EMAIL',
-  // CONTRIBUTION_DENY = 'CONTRIBUTION_DENY',
-  // CONTRIBUTION_LINK_DEFINE = 'CONTRIBUTION_LINK_DEFINE',
   // CONTRIBUTION_LINK_ACTIVATE_REDEEM = 'CONTRIBUTION_LINK_ACTIVATE_REDEEM',
   // USER_CREATE_CONTRIBUTION_MESSAGE = 'USER_CREATE_CONTRIBUTION_MESSAGE',
   // ADMIN_CREATE_CONTRIBUTION_MESSAGE = 'ADMIN_CREATE_CONTRIBUTION_MESSAGE',
   // DELETE_USER = 'DELETE_USER',
   // UNDELETE_USER = 'UNDELETE_USER',
   // CHANGE_USER_ROLE = 'CHANGE_USER_ROLE',
-  // ADMIN_UPDATE_CONTRIBUTION = 'ADMIN_UPDATE_CONTRIBUTION',
-  // ADMIN_DELETE_CONTRIBUTION = 'ADMIN_DELETE_CONTRIBUTION',
-  // CREATE_CONTRIBUTION_LINK = 'CREATE_CONTRIBUTION_LINK',
-  // DELETE_CONTRIBUTION_LINK = 'DELETE_CONTRIBUTION_LINK',
-  // UPDATE_CONTRIBUTION_LINK = 'UPDATE_CONTRIBUTION_LINK',
 }
diff --git a/backend/src/graphql/arg/SubscribeNewsletterArgs.ts b/backend/src/graphql/arg/SubscribeNewsletterArgs.ts
deleted file mode 100644
index 98a3bb2d3..000000000
--- a/backend/src/graphql/arg/SubscribeNewsletterArgs.ts
+++ /dev/null
@@ -1,10 +0,0 @@
-import { ArgsType, Field } from 'type-graphql'
-
-@ArgsType()
-export default class SubscribeNewsletterArgs {
-  @Field(() => String)
-  email: string
-
-  @Field(() => String)
-  language: string
-}
diff --git a/backend/src/graphql/resolver/ContributionLinkResolver.test.ts b/backend/src/graphql/resolver/ContributionLinkResolver.test.ts
index 4563d2a6a..607fafd65 100644
--- a/backend/src/graphql/resolver/ContributionLinkResolver.test.ts
+++ b/backend/src/graphql/resolver/ContributionLinkResolver.test.ts
@@ -19,6 +19,8 @@ import { bibiBloxberg } from '@/seeds/users/bibi-bloxberg'
 import { peterLustig } from '@/seeds/users/peter-lustig'
 import { userFactory } from '@/seeds/factory/user'
 import { ContributionLink as DbContributionLink } from '@entity/ContributionLink'
+import { EventType } from '@/event/Event'
+import { Event as DbEvent } from '@entity/Event'
 
 let mutate: any, query: any, con: any
 let testEnv: any
@@ -249,6 +251,18 @@ describe('Contribution Links', () => {
           )
         })
 
+        it('stores the ADMIN_CONTRIBUTION_LINK_CREATE event in the database', async () => {
+          await expect(DbEvent.find()).resolves.toContainEqual(
+            expect.objectContaining({
+              type: EventType.ADMIN_CONTRIBUTION_LINK_CREATE,
+              affectedUserId: 0,
+              actingUserId: expect.any(Number),
+              involvedContributionLinkId: expect.any(Number),
+              amount: expect.decimalEqual(200),
+            }),
+          )
+        })
+
         it('returns an error if missing startDate', async () => {
           jest.clearAllMocks()
           await expect(
@@ -266,7 +280,7 @@ describe('Contribution Links', () => {
           )
         })
 
-        it('logs the error thrown', () => {
+        it('logs the error "A Start-Date must be set"', () => {
           expect(logger.error).toBeCalledWith('A Start-Date must be set')
         })
 
@@ -287,7 +301,7 @@ describe('Contribution Links', () => {
           )
         })
 
-        it('logs the error thrown', () => {
+        it('logs the error "An End-Date must be set"', () => {
           expect(logger.error).toBeCalledWith('An End-Date must be set')
         })
 
@@ -311,7 +325,7 @@ describe('Contribution Links', () => {
           )
         })
 
-        it('logs the error thrown', () => {
+        it('logs the error "The value of validFrom must before or equals the validTo"', () => {
           expect(logger.error).toBeCalledWith(
             `The value of validFrom must before or equals the validTo`,
           )
@@ -334,7 +348,7 @@ describe('Contribution Links', () => {
           )
         })
 
-        it('logs the error thrown', () => {
+        it('logs the error "The value of name is too short"', () => {
           expect(logger.error).toBeCalledWith('The value of name is too short', 3)
         })
 
@@ -355,7 +369,7 @@ describe('Contribution Links', () => {
           )
         })
 
-        it('logs the error thrown', () => {
+        it('logs the error "The value of name is too long"', () => {
           expect(logger.error).toBeCalledWith('The value of name is too long', 101)
         })
 
@@ -376,7 +390,7 @@ describe('Contribution Links', () => {
           )
         })
 
-        it('logs the error thrown', () => {
+        it('logs the error "The value of memo is too short"', () => {
           expect(logger.error).toBeCalledWith('The value of memo is too short', 3)
         })
 
@@ -397,7 +411,7 @@ describe('Contribution Links', () => {
           )
         })
 
-        it('logs the error thrown', () => {
+        it('logs the error "The value of memo is too long"', () => {
           expect(logger.error).toBeCalledWith('The value of memo is too long', 256)
         })
 
@@ -418,7 +432,7 @@ describe('Contribution Links', () => {
           )
         })
 
-        it('logs the error thrown', () => {
+        it('logs the error "The amount must be a positiv value"', () => {
           expect(logger.error).toBeCalledWith('The amount must be a positiv value', new Decimal(0))
         })
       })
@@ -476,7 +490,7 @@ describe('Contribution Links', () => {
           })
         })
 
-        it('logs the error thrown', () => {
+        it('logs the error "Contribution Link not found"', () => {
           expect(logger.error).toBeCalledWith('Contribution Link not found', -1)
         })
 
@@ -531,6 +545,18 @@ describe('Contribution Links', () => {
               }),
             )
           })
+
+          it('stores the ADMIN_CONTRIBUTION_LINK_UPDATE event in the database', async () => {
+            await expect(DbEvent.find()).resolves.toContainEqual(
+              expect.objectContaining({
+                type: EventType.ADMIN_CONTRIBUTION_LINK_UPDATE,
+                affectedUserId: 0,
+                actingUserId: expect.any(Number),
+                involvedContributionLinkId: expect.any(Number),
+                amount: expect.decimalEqual(400),
+              }),
+            )
+          })
         })
       })
 
@@ -546,7 +572,7 @@ describe('Contribution Links', () => {
             )
           })
 
-          it('logs the error thrown', () => {
+          it('logs the error "Contribution Link not found"', () => {
             expect(logger.error).toBeCalledWith('Contribution Link not found', -1)
           })
         })
@@ -558,18 +584,29 @@ describe('Contribution Links', () => {
             linkId = links.data.listContributionLinks.links[0].id
           })
 
-          it('returns a date string', async () => {
+          it('returns true', async () => {
             await expect(
               mutate({ mutation: deleteContributionLink, variables: { id: linkId } }),
             ).resolves.toEqual(
               expect.objectContaining({
                 data: {
-                  deleteContributionLink: expect.any(String),
+                  deleteContributionLink: true,
                 },
               }),
             )
           })
 
+          it('stores the ADMIN_CONTRIBUTION_LINK_DELETE event in the database', async () => {
+            await expect(DbEvent.find()).resolves.toContainEqual(
+              expect.objectContaining({
+                type: EventType.ADMIN_CONTRIBUTION_LINK_DELETE,
+                affectedUserId: 0,
+                actingUserId: expect.any(Number),
+                involvedContributionLinkId: linkId,
+              }),
+            )
+          })
+
           it('does not list this contribution link anymore', async () => {
             await expect(query({ query: listContributionLinks })).resolves.toEqual(
               expect.objectContaining({
diff --git a/backend/src/graphql/resolver/ContributionLinkResolver.ts b/backend/src/graphql/resolver/ContributionLinkResolver.ts
index cccf47399..d2d56e853 100644
--- a/backend/src/graphql/resolver/ContributionLinkResolver.ts
+++ b/backend/src/graphql/resolver/ContributionLinkResolver.ts
@@ -1,5 +1,5 @@
 import Decimal from 'decimal.js-light'
-import { Resolver, Args, Arg, Authorized, Mutation, Query, Int } from 'type-graphql'
+import { Resolver, Args, Arg, Authorized, Mutation, Query, Int, Ctx } from 'type-graphql'
 import { MoreThan, IsNull } from '@dbTools/typeorm'
 
 import {
@@ -12,7 +12,6 @@ import { isStartEndDateValid } from './util/creations'
 import { ContributionLinkList } from '@model/ContributionLinkList'
 import { ContributionLink } from '@model/ContributionLink'
 import ContributionLinkArgs from '@arg/ContributionLinkArgs'
-import { backendLogger as logger } from '@/server/logger'
 import { RIGHTS } from '@/auth/RIGHTS'
 import { ContributionLink as DbContributionLink } from '@entity/ContributionLink'
 import { Order } from '@enum/Order'
@@ -21,6 +20,12 @@ import Paginated from '@arg/Paginated'
 // TODO: this is a strange construct
 import { transactionLinkCode as contributionLinkCode } from './TransactionLinkResolver'
 import LogError from '@/server/LogError'
+import { Context, getUser } from '@/server/context'
+import {
+  EVENT_ADMIN_CONTRIBUTION_LINK_CREATE,
+  EVENT_ADMIN_CONTRIBUTION_LINK_DELETE,
+  EVENT_ADMIN_CONTRIBUTION_LINK_UPDATE,
+} from '@/event/Event'
 
 @Resolver()
 export class ContributionLinkResolver {
@@ -38,6 +43,7 @@ export class ContributionLinkResolver {
       maxAmountPerMonth = null,
       maxPerCycle,
     }: ContributionLinkArgs,
+    @Ctx() context: Context,
   ): Promise<ContributionLink> {
     isStartEndDateValid(validFrom, validTo)
     if (name.length < CONTRIBUTIONLINK_NAME_MIN_CHARS) {
@@ -68,7 +74,8 @@ export class ContributionLinkResolver {
     dbContributionLink.maxAmountPerMonth = maxAmountPerMonth
     dbContributionLink.maxPerCycle = maxPerCycle
     await dbContributionLink.save()
-    logger.debug(`createContributionLink successful!`)
+    await EVENT_ADMIN_CONTRIBUTION_LINK_CREATE(getUser(context), dbContributionLink, amount)
+
     return new ContributionLink(dbContributionLink)
   }
 
@@ -91,16 +98,19 @@ export class ContributionLinkResolver {
   }
 
   @Authorized([RIGHTS.DELETE_CONTRIBUTION_LINK])
-  @Mutation(() => Date, { nullable: true })
-  async deleteContributionLink(@Arg('id', () => Int) id: number): Promise<Date | null> {
-    const contributionLink = await DbContributionLink.findOne(id)
-    if (!contributionLink) {
+  @Mutation(() => Boolean)
+  async deleteContributionLink(
+    @Arg('id', () => Int) id: number,
+    @Ctx() context: Context,
+  ): Promise<boolean> {
+    const dbContributionLink = await DbContributionLink.findOne(id)
+    if (!dbContributionLink) {
       throw new LogError('Contribution Link not found', id)
     }
-    await contributionLink.softRemove()
-    logger.debug(`deleteContributionLink successful!`)
-    const newContributionLink = await DbContributionLink.findOne({ id }, { withDeleted: true })
-    return newContributionLink ? newContributionLink.deletedAt : null
+    await dbContributionLink.softRemove()
+    await EVENT_ADMIN_CONTRIBUTION_LINK_DELETE(getUser(context), dbContributionLink)
+
+    return true
   }
 
   @Authorized([RIGHTS.UPDATE_CONTRIBUTION_LINK])
@@ -118,6 +128,7 @@ export class ContributionLinkResolver {
       maxPerCycle,
     }: ContributionLinkArgs,
     @Arg('id', () => Int) id: number,
+    @Ctx() context: Context,
   ): Promise<ContributionLink> {
     const dbContributionLink = await DbContributionLink.findOne(id)
     if (!dbContributionLink) {
@@ -132,7 +143,8 @@ export class ContributionLinkResolver {
     dbContributionLink.maxAmountPerMonth = maxAmountPerMonth
     dbContributionLink.maxPerCycle = maxPerCycle
     await dbContributionLink.save()
-    logger.debug(`updateContributionLink successful!`)
+    await EVENT_ADMIN_CONTRIBUTION_LINK_UPDATE(getUser(context), dbContributionLink, amount)
+
     return new ContributionLink(dbContributionLink)
   }
 }
diff --git a/backend/src/graphql/resolver/ContributionMessageResolver.test.ts b/backend/src/graphql/resolver/ContributionMessageResolver.test.ts
index 8b5c5a0a7..0801bb131 100644
--- a/backend/src/graphql/resolver/ContributionMessageResolver.test.ts
+++ b/backend/src/graphql/resolver/ContributionMessageResolver.test.ts
@@ -20,6 +20,8 @@ import { userFactory } from '@/seeds/factory/user'
 import { bibiBloxberg } from '@/seeds/users/bibi-bloxberg'
 import { peterLustig } from '@/seeds/users/peter-lustig'
 import { sendAddedContributionMessageEmail } from '@/emails/sendEmailVariants'
+import { EventType } from '@/event/Event'
+import { Event as DbEvent } from '@entity/Event'
 
 jest.mock('@/emails/sendEmailVariants', () => {
   const originalModule = jest.requireActual('@/emails/sendEmailVariants')
@@ -113,7 +115,7 @@ describe('ContributionMessageResolver', () => {
           )
         })
 
-        it('logs the error thrown', () => {
+        it('logs the error "ContributionMessage was not sent successfully: Error: Contribution not found"', () => {
           expect(logger.error).toBeCalledWith(
             'ContributionMessage was not sent successfully: Error: Contribution not found',
             new Error('Contribution not found'),
@@ -153,7 +155,7 @@ describe('ContributionMessageResolver', () => {
           )
         })
 
-        it('logs the error thrown', () => {
+        it('logs the error "ContributionMessage was not sent successfully: Error: Admin can not answer on his own contribution"', () => {
           expect(logger.error).toBeCalledWith(
             'ContributionMessage was not sent successfully: Error: Admin can not answer on his own contribution',
             new Error('Admin can not answer on his own contribution'),
@@ -197,6 +199,18 @@ describe('ContributionMessageResolver', () => {
             contributionMemo: 'Test env contribution',
           })
         })
+
+        it('stores the ADMIN_CONTRIBUTION_MESSAGE_CREATE event in the database', async () => {
+          await expect(DbEvent.find()).resolves.toContainEqual(
+            expect.objectContaining({
+              type: EventType.ADMIN_CONTRIBUTION_MESSAGE_CREATE,
+              affectedUserId: expect.any(Number),
+              actingUserId: expect.any(Number),
+              involvedContributionId: result.data.createContribution.id,
+              involvedContributionMessageId: expect.any(Number),
+            }),
+          )
+        })
       })
     })
   })
@@ -251,7 +265,7 @@ describe('ContributionMessageResolver', () => {
           )
         })
 
-        it('logs the error thrown', () => {
+        it('logs the error "ContributionMessage was not sent successfully: Error: Contribution not found"', () => {
           expect(logger.error).toBeCalledWith(
             'ContributionMessage was not sent successfully: Error: Contribution not found',
             new Error('Contribution not found'),
@@ -283,7 +297,7 @@ describe('ContributionMessageResolver', () => {
           )
         })
 
-        it('logs the error thrown', () => {
+        it('logs the error "ContributionMessage was not sent successfully: Error: Can not send message to contribution of another user"', () => {
           expect(logger.error).toBeCalledWith(
             'ContributionMessage was not sent successfully: Error: Can not send message to contribution of another user',
             new Error('Can not send message to contribution of another user'),
@@ -322,6 +336,18 @@ describe('ContributionMessageResolver', () => {
             }),
           )
         })
+
+        it('stores the CONTRIBUTION_MESSAGE_CREATE event in the database', async () => {
+          await expect(DbEvent.find()).resolves.toContainEqual(
+            expect.objectContaining({
+              type: EventType.CONTRIBUTION_MESSAGE_CREATE,
+              affectedUserId: expect.any(Number),
+              actingUserId: expect.any(Number),
+              involvedContributionId: result.data.createContribution.id,
+              involvedContributionMessageId: expect.any(Number),
+            }),
+          )
+        })
       })
     })
   })
diff --git a/backend/src/graphql/resolver/ContributionMessageResolver.ts b/backend/src/graphql/resolver/ContributionMessageResolver.ts
index e9258490e..999ccc2b1 100644
--- a/backend/src/graphql/resolver/ContributionMessageResolver.ts
+++ b/backend/src/graphql/resolver/ContributionMessageResolver.ts
@@ -4,7 +4,8 @@ import { getConnection } from '@dbTools/typeorm'
 
 import { ContributionMessage as DbContributionMessage } from '@entity/ContributionMessage'
 import { Contribution as DbContribution } from '@entity/Contribution'
-import { UserContact } from '@entity/UserContact'
+import { UserContact as DbUserContact } from '@entity/UserContact'
+import { User as DbUser } from '@entity/User'
 
 import { ContributionMessage, ContributionMessageListResult } from '@model/ContributionMessage'
 import ContributionMessageArgs from '@arg/ContributionMessageArgs'
@@ -17,6 +18,10 @@ import { RIGHTS } from '@/auth/RIGHTS'
 import { Context, getUser } from '@/server/context'
 import { sendAddedContributionMessageEmail } from '@/emails/sendEmailVariants'
 import LogError from '@/server/LogError'
+import {
+  EVENT_ADMIN_CONTRIBUTION_MESSAGE_CREATE,
+  EVENT_CONTRIBUTION_MESSAGE_CREATE,
+} from '@/event/Event'
 
 @Resolver()
 export class ContributionMessageResolver {
@@ -57,6 +62,11 @@ export class ContributionMessageResolver {
         await queryRunner.manager.update(DbContribution, { id: contributionId }, contribution)
       }
       await queryRunner.commitTransaction()
+      await EVENT_CONTRIBUTION_MESSAGE_CREATE(
+        user,
+        { id: contributionMessage.contributionId } as DbContribution,
+        contributionMessage,
+      )
     } catch (e) {
       await queryRunner.rollbackTransaction()
       throw new LogError(`ContributionMessage was not sent successfully: ${e}`, e)
@@ -98,7 +108,7 @@ export class ContributionMessageResolver {
     @Args() { contributionId, message }: ContributionMessageArgs,
     @Ctx() context: Context,
   ): Promise<ContributionMessage> {
-    const user = getUser(context)
+    const moderator = getUser(context)
 
     const queryRunner = getConnection().createQueryRunner()
     await queryRunner.connect()
@@ -112,18 +122,18 @@ export class ContributionMessageResolver {
       if (!contribution) {
         throw new LogError('Contribution not found', contributionId)
       }
-      if (contribution.userId === user.id) {
+      if (contribution.userId === moderator.id) {
         throw new LogError('Admin can not answer on his own contribution', contributionId)
       }
       if (!contribution.user.emailContact) {
-        contribution.user.emailContact = await UserContact.findOneOrFail({
+        contribution.user.emailContact = await DbUserContact.findOneOrFail({
           where: { id: contribution.user.emailId },
         })
       }
       contributionMessage.contributionId = contributionId
       contributionMessage.createdAt = new Date()
       contributionMessage.message = message
-      contributionMessage.userId = user.id
+      contributionMessage.userId = moderator.id
       contributionMessage.type = ContributionMessageType.DIALOG
       contributionMessage.isModerator = true
       await queryRunner.manager.insert(DbContributionMessage, contributionMessage)
@@ -142,17 +152,23 @@ export class ContributionMessageResolver {
         lastName: contribution.user.lastName,
         email: contribution.user.emailContact.email,
         language: contribution.user.language,
-        senderFirstName: user.firstName,
-        senderLastName: user.lastName,
+        senderFirstName: moderator.firstName,
+        senderLastName: moderator.lastName,
         contributionMemo: contribution.memo,
       })
       await queryRunner.commitTransaction()
+      await EVENT_ADMIN_CONTRIBUTION_MESSAGE_CREATE(
+        { id: contribution.userId } as DbUser,
+        moderator,
+        contribution,
+        contributionMessage,
+      )
     } catch (e) {
       await queryRunner.rollbackTransaction()
       throw new LogError(`ContributionMessage was not sent successfully: ${e}`, e)
     } finally {
       await queryRunner.release()
     }
-    return new ContributionMessage(contributionMessage, user)
+    return new ContributionMessage(contributionMessage, moderator)
   }
 }
diff --git a/backend/src/graphql/resolver/ContributionResolver.test.ts b/backend/src/graphql/resolver/ContributionResolver.test.ts
index d4f059832..8c753ae55 100644
--- a/backend/src/graphql/resolver/ContributionResolver.test.ts
+++ b/backend/src/graphql/resolver/ContributionResolver.test.ts
@@ -201,7 +201,7 @@ describe('ContributionResolver', () => {
           expect(errorObjects).toEqual([new GraphQLError('Memo text is too short')])
         })
 
-        it('logs the error found', () => {
+        it('logs the error "Memo text is too short"', () => {
           expect(logger.error).toBeCalledWith('Memo text is too short', 4)
         })
 
@@ -219,7 +219,7 @@ describe('ContributionResolver', () => {
           expect(errorObjects).toEqual([new GraphQLError('Memo text is too long')])
         })
 
-        it('logs the error found', () => {
+        it('logs the error "Memo text is too long"', () => {
           expect(logger.error).toBeCalledWith('Memo text is too long', 259)
         })
 
@@ -238,7 +238,7 @@ describe('ContributionResolver', () => {
           ])
         })
 
-        it('logs the error found', () => {
+        it('logs the error "No information for available creations for the given date"', () => {
           expect(logger.error).toBeCalledWith(
             'No information for available creations for the given date',
             expect.any(Date),
@@ -261,7 +261,7 @@ describe('ContributionResolver', () => {
           ])
         })
 
-        it('logs the error found', () => {
+        it('logs the error "No information for available creations for the given date" again', () => {
           expect(logger.error).toBeCalledWith(
             'No information for available creations for the given date',
             expect.any(Date),
@@ -337,7 +337,7 @@ describe('ContributionResolver', () => {
           expect(errorObjects).toEqual([new GraphQLError('Memo text is too short')])
         })
 
-        it('logs the error found', () => {
+        it('logs the error "Memo text is too short"', () => {
           expect(logger.error).toBeCalledWith('Memo text is too short', 4)
         })
       })
@@ -358,7 +358,7 @@ describe('ContributionResolver', () => {
           expect(errorObjects).toEqual([new GraphQLError('Memo text is too long')])
         })
 
-        it('logs the error found', () => {
+        it('logs the error "Memo text is too long"', () => {
           expect(logger.error).toBeCalledWith('Memo text is too long', 259)
         })
       })
@@ -383,7 +383,7 @@ describe('ContributionResolver', () => {
           )
         })
 
-        it('logs the error found', () => {
+        it('logs the error "Contribution not found"', () => {
           expect(logger.error).toBeCalledWith('Contribution not found', -1)
         })
       })
@@ -412,7 +412,7 @@ describe('ContributionResolver', () => {
           ])
         })
 
-        it('logs the error found', () => {
+        it('logs the error "Can not update contribution of another user"', () => {
           expect(logger.error).toBeCalledWith(
             'Can not update contribution of another user',
             expect.any(Object),
@@ -446,7 +446,7 @@ describe('ContributionResolver', () => {
           ])
         })
 
-        it('logs the error found', () => {
+        it('logs the error "An admin is not allowed to update an user contribution"', () => {
           expect(logger.error).toBeCalledWith(
             'An admin is not allowed to update an user contribution',
           )
@@ -492,7 +492,7 @@ describe('ContributionResolver', () => {
             )
           })
 
-          it('logs the error found', () => {
+          it('logs the error "Contribution can not be updated due to status"', () => {
             expect(logger.error).toBeCalledWith(
               'Contribution can not be updated due to status',
               ContributionStatus.DELETED,
@@ -527,7 +527,7 @@ describe('ContributionResolver', () => {
           ])
         })
 
-        it('logs the error found', () => {
+        it('logs the error "The amount to be created exceeds the amount still available for this month"', () => {
           expect(logger.error).toBeCalledWith(
             'The amount to be created exceeds the amount still available for this month',
             new Decimal(1019),
@@ -554,7 +554,7 @@ describe('ContributionResolver', () => {
           ])
         })
 
-        it('logs the error found', () => {
+        it('logs the error "Month of contribution can not be changed"', () => {
           expect(logger.error).toBeCalledWith('Month of contribution can not be changed')
         })
       })
@@ -659,7 +659,7 @@ describe('ContributionResolver', () => {
           expect(errorObjects).toEqual([new GraphQLError('Contribution not found')])
         })
 
-        it('logs the error found', () => {
+        it('logs the error "Contribution not found"', () => {
           expect(logger.error).toBeCalledWith('Contribution not found', -1)
         })
       })
@@ -703,7 +703,7 @@ describe('ContributionResolver', () => {
           expect(errorObjects).toEqual([new GraphQLError('Contribution not found')])
         })
 
-        it('logs the error found', () => {
+        it('logs the error "Contribution not found"', () => {
           expect(logger.error).toBeCalledWith('Contribution not found', expect.any(Number))
         })
       })
@@ -748,7 +748,7 @@ describe('ContributionResolver', () => {
           expect(errorObjects).toEqual([new GraphQLError('Contribution not found')])
         })
 
-        it('logs the error found', () => {
+        it('logs the error "Contribution not found"', () => {
           expect(logger.error).toBeCalledWith(`Contribution not found`, expect.any(Number))
         })
       })
@@ -793,7 +793,7 @@ describe('ContributionResolver', () => {
           expect(errorObjects).toEqual([new GraphQLError('Contribution not found')])
         })
 
-        it('logs the error found', () => {
+        it('logs the error "Contribution not found"', () => {
           expect(logger.error).toBeCalledWith(`Contribution not found`, expect.any(Number))
         })
       })
@@ -879,7 +879,7 @@ describe('ContributionResolver', () => {
           expect(errorObjects).toEqual([new GraphQLError('Contribution not found')])
         })
 
-        it('logs the error found', () => {
+        it('logs the error "Contribution not found"', () => {
           expect(logger.error).toBeCalledWith('Contribution not found', expect.any(Number))
         })
       })
@@ -909,7 +909,7 @@ describe('ContributionResolver', () => {
           ])
         })
 
-        it('logs the error found', () => {
+        it('logs the error "Can not delete contribution of another user"', () => {
           expect(logger.error).toBeCalledWith(
             'Can not delete contribution of another user',
             expect.any(Contribution),
@@ -984,7 +984,7 @@ describe('ContributionResolver', () => {
           ])
         })
 
-        it('logs the error found', () => {
+        it('logs the error "A confirmed contribution can not be deleted"', () => {
           expect(logger.error).toBeCalledWith(
             'A confirmed contribution can not be deleted',
             expect.objectContaining({ contributionStatus: 'CONFIRMED' }),
@@ -1849,7 +1849,7 @@ describe('ContributionResolver', () => {
               )
             })
 
-            it('logs the error thrown', () => {
+            it('logs the error "Could not find user"', () => {
               expect(logger.error).toBeCalledWith('Could not find user', 'some@fake.email')
             })
           })
@@ -1876,7 +1876,7 @@ describe('ContributionResolver', () => {
               )
             })
 
-            it('logs the error thrown', () => {
+            it('logs the error "Cannot create contribution since the user was deleted"', () => {
               expect(logger.error).toBeCalledWith(
                 'Cannot create contribution since the user was deleted',
                 expect.objectContaining({
@@ -1912,7 +1912,7 @@ describe('ContributionResolver', () => {
               )
             })
 
-            it('logs the error thrown', () => {
+            it('logs the error "Cannot create contribution since the users email is not activated"', () => {
               expect(logger.error).toBeCalledWith(
                 'Cannot create contribution since the users email is not activated',
                 expect.objectContaining({ emailChecked: false }),
@@ -1938,7 +1938,7 @@ describe('ContributionResolver', () => {
                 )
               })
 
-              it('logs the error thrown', () => {
+              it('logs the error "CreationDate is invalid"', () => {
                 expect(logger.error).toBeCalledWith('CreationDate is invalid', 'invalid-date')
               })
             })
@@ -1960,7 +1960,7 @@ describe('ContributionResolver', () => {
                 )
               })
 
-              it('logs the error thrown', () => {
+              it('logs the error "No information for available creations for the given date"', () => {
                 expect(logger.error).toBeCalledWith(
                   'No information for available creations for the given date',
                   new Date(variables.creationDate),
@@ -1985,7 +1985,7 @@ describe('ContributionResolver', () => {
                 )
               })
 
-              it('logs the error thrown', () => {
+              it('logs the error "No information for available creations for the given date"', () => {
                 expect(logger.error).toBeCalledWith(
                   'No information for available creations for the given date',
                   new Date(variables.creationDate),
@@ -2010,7 +2010,7 @@ describe('ContributionResolver', () => {
                 )
               })
 
-              it('logs the error thrown', () => {
+              it('logs the error "The amount to be created exceeds the amount still available for this month"', () => {
                 expect(logger.error).toBeCalledWith(
                   'The amount to be created exceeds the amount still available for this month',
                   new Decimal(2000),
@@ -2062,7 +2062,7 @@ describe('ContributionResolver', () => {
                 )
               })
 
-              it('logs the error thrown', () => {
+              it('logs the error "The amount to be created exceeds the amount still available for this month"', () => {
                 expect(logger.error).toBeCalledWith(
                   'The amount to be created exceeds the amount still available for this month',
                   new Decimal(1000),
@@ -2101,7 +2101,7 @@ describe('ContributionResolver', () => {
               )
             })
 
-            it('logs the error thrown', () => {
+            it('logs the error "Could not find User"', () => {
               expect(logger.error).toBeCalledWith('Could not find User', 'bob@baumeister.de')
             })
           })
@@ -2127,7 +2127,7 @@ describe('ContributionResolver', () => {
               )
             })
 
-            it('logs the error thrown', () => {
+            it('logs the error "User was deleted"', () => {
               expect(logger.error).toBeCalledWith('User was deleted', 'stephen@hawking.uk')
             })
           })
@@ -2153,7 +2153,7 @@ describe('ContributionResolver', () => {
               )
             })
 
-            it('logs the error thrown', () => {
+            it('logs the error "Contribution not found"', () => {
               expect(logger.error).toBeCalledWith('Contribution not found', -1)
             })
           })
@@ -2185,7 +2185,7 @@ describe('ContributionResolver', () => {
               )
             })
 
-            it('logs the error thrown', () => {
+            it('logs the error "User of the pending contribution and send user does not correspond"', () => {
               expect(logger.error).toBeCalledWith(
                 'User of the pending contribution and send user does not correspond',
               )
@@ -2220,7 +2220,7 @@ describe('ContributionResolver', () => {
               )
             })
 
-            it('logs the error thrown', () => {
+            it('logs the error "The amount to be created exceeds the amount still available for this month"', () => {
               expect(logger.error).toBeCalledWith(
                 'The amount to be created exceeds the amount still available for this month',
                 new Decimal(1900),
@@ -2229,6 +2229,7 @@ describe('ContributionResolver', () => {
             })
           })
 
+          // eslint-disable-next-line jest/no-disabled-tests
           describe.skip('creation update is successful changing month', () => {
             // skipped as changing the month is currently disable
             it('returns update creation object', async () => {
@@ -2332,7 +2333,7 @@ describe('ContributionResolver', () => {
               )
             })
 
-            it('logs the error thrown', () => {
+            it('logs the error "Contribution not found"', () => {
               expect(logger.error).toBeCalledWith('Contribution not found', -1)
             })
           })
@@ -2474,7 +2475,7 @@ describe('ContributionResolver', () => {
               )
             })
 
-            it('logs the error thrown', () => {
+            it('logs the error "Contribution not found"', () => {
               expect(logger.error).toBeCalledWith('Contribution not found', -1)
             })
           })
@@ -2508,7 +2509,7 @@ describe('ContributionResolver', () => {
               )
             })
 
-            it('logs the error thrown', () => {
+            it('logs the error "Moderator can not confirm own contribution"', () => {
               expect(logger.error).toBeCalledWith('Moderator can not confirm own contribution')
             })
           })
@@ -2545,7 +2546,7 @@ describe('ContributionResolver', () => {
               )
             })
 
-            it('stores the CONTRIBUTION_CONFIRM event in the database', async () => {
+            it('stores the ADMIN_CONTRIBUTION_CONFIRM event in the database', async () => {
               await expect(DbEvent.find()).resolves.toContainEqual(
                 expect.objectContaining({
                   type: EventType.ADMIN_CONTRIBUTION_CONFIRM,
@@ -2603,7 +2604,7 @@ describe('ContributionResolver', () => {
               })
             })
 
-            it('logs the error thrown', () => {
+            it('logs the error "Contribution already confirmed"', () => {
               expect(logger.error).toBeCalledWith(
                 'Contribution already confirmed',
                 expect.any(Number),
diff --git a/backend/src/graphql/resolver/ContributionResolver.ts b/backend/src/graphql/resolver/ContributionResolver.ts
index 55d90dab6..1cc097152 100644
--- a/backend/src/graphql/resolver/ContributionResolver.ts
+++ b/backend/src/graphql/resolver/ContributionResolver.ts
@@ -90,7 +90,6 @@ export class ContributionResolver {
 
     logger.trace('contribution to save', contribution)
     await DbContribution.save(contribution)
-
     await EVENT_CONTRIBUTION_CREATE(user, contribution, amount)
 
     return new UnconfirmedContribution(contribution, user, creations)
@@ -118,7 +117,6 @@ export class ContributionResolver {
     contribution.deletedBy = user.id
     contribution.deletedAt = new Date()
     await contribution.save()
-
     await EVENT_CONTRIBUTION_DELETE(user, contribution, contribution.amount)
 
     const res = await contribution.softRemove()
@@ -299,11 +297,8 @@ export class ContributionResolver {
     contribution.moderatorId = moderator.id
     contribution.contributionType = ContributionType.ADMIN
     contribution.contributionStatus = ContributionStatus.PENDING
-
     logger.trace('contribution to save', contribution)
-
     await DbContribution.save(contribution)
-
     await EVENT_ADMIN_CONTRIBUTION_CREATE(emailContact.user, moderator, contribution, amount)
 
     return getUserCreation(emailContact.userId, clientTimezoneOffset)
@@ -369,9 +364,7 @@ export class ContributionResolver {
     result.amount = amount
     result.memo = contributionToUpdate.memo
     result.date = contributionToUpdate.contributionDate
-
     result.creation = await getUserCreation(emailContact.user.id, clientTimezoneOffset)
-
     await EVENT_ADMIN_CONTRIBUTION_UPDATE(
       emailContact.user,
       moderator,
@@ -436,7 +429,6 @@ export class ContributionResolver {
     contribution.deletedBy = moderator.id
     await contribution.save()
     const res = await contribution.softRemove()
-
     await EVENT_ADMIN_CONTRIBUTION_DELETE(
       { id: contribution.userId } as DbUser,
       moderator,
@@ -554,7 +546,6 @@ export class ContributionResolver {
       } finally {
         await queryRunner.release()
       }
-
       await EVENT_ADMIN_CONTRIBUTION_CONFIRM(user, moderatorUser, contribution, contribution.amount)
     } finally {
       releaseLock()
@@ -613,7 +604,6 @@ export class ContributionResolver {
     contributionToUpdate.deniedBy = moderator.id
     contributionToUpdate.deniedAt = new Date()
     const res = await contributionToUpdate.save()
-
     await EVENT_ADMIN_CONTRIBUTION_DENY(
       user,
       moderator,
diff --git a/backend/src/graphql/resolver/KlicktippResolver.ts b/backend/src/graphql/resolver/KlicktippResolver.ts
index dd137f07c..31bde0581 100644
--- a/backend/src/graphql/resolver/KlicktippResolver.ts
+++ b/backend/src/graphql/resolver/KlicktippResolver.ts
@@ -1,7 +1,5 @@
 /* eslint-disable @typescript-eslint/no-unsafe-return */
-import { Resolver, Query, Authorized, Arg, Mutation, Args } from 'type-graphql'
-
-import SubscribeNewsletterArgs from '@arg/SubscribeNewsletterArgs'
+import { Resolver, Query, Authorized, Arg, Mutation, Ctx } from 'type-graphql'
 
 import {
   getKlickTippUser,
@@ -10,6 +8,7 @@ import {
   klicktippSignIn,
 } from '@/apis/KlicktippController'
 import { RIGHTS } from '@/auth/RIGHTS'
+import { Context, getUser } from '@/server/context'
 
 @Resolver()
 export class KlicktippResolver {
@@ -27,15 +26,15 @@ export class KlicktippResolver {
 
   @Authorized([RIGHTS.UNSUBSCRIBE_NEWSLETTER])
   @Mutation(() => Boolean)
-  async unsubscribeNewsletter(@Arg('email') email: string): Promise<boolean> {
-    return await unsubscribe(email)
+  async unsubscribeNewsletter(@Ctx() context: Context): Promise<boolean> {
+    const user = getUser(context)
+    return unsubscribe(user.emailContact.email)
   }
 
   @Authorized([RIGHTS.SUBSCRIBE_NEWSLETTER])
   @Mutation(() => Boolean)
-  async subscribeNewsletter(
-    @Args() { email, language }: SubscribeNewsletterArgs,
-  ): Promise<boolean> {
-    return await klicktippSignIn(email, language)
+  async subscribeNewsletter(@Ctx() context: Context): Promise<boolean> {
+    const user = getUser(context)
+    return klicktippSignIn(user.emailContact.email, user.language)
   }
 }
diff --git a/backend/src/graphql/resolver/TransactionLinkResolver.test.ts b/backend/src/graphql/resolver/TransactionLinkResolver.test.ts
index 14c5b350b..d86f260fe 100644
--- a/backend/src/graphql/resolver/TransactionLinkResolver.test.ts
+++ b/backend/src/graphql/resolver/TransactionLinkResolver.test.ts
@@ -33,6 +33,9 @@ import Decimal from 'decimal.js-light'
 import { GraphQLError } from 'graphql'
 import { TRANSACTIONS_LOCK } from '@/util/TRANSACTIONS_LOCK'
 import { logger } from '@test/testSetup'
+import { EventType } from '@/event/Event'
+import { Event as DbEvent } from '@entity/Event'
+import { UserContact } from '@entity/UserContact'
 
 // mock semaphore to allow use fake timers
 jest.mock('@/util/TRANSACTIONS_LOCK')
@@ -96,7 +99,7 @@ describe('TransactionLinkResolver', () => {
           errors: [new GraphQLError('Amount must be a positive number')],
         })
       })
-      it('logs the error thrown', () => {
+      it('logs the error "Amount must be a positive number" - 0', () => {
         expect(logger.error).toBeCalledWith('Amount must be a positive number', new Decimal(0))
       })
 
@@ -114,7 +117,7 @@ describe('TransactionLinkResolver', () => {
           errors: [new GraphQLError('Amount must be a positive number')],
         })
       })
-      it('logs the error thrown', () => {
+      it('logs the error "Amount must be a positive number" - -10', () => {
         expect(logger.error).toBeCalledWith('Amount must be a positive number', new Decimal(-10))
       })
 
@@ -132,7 +135,7 @@ describe('TransactionLinkResolver', () => {
           errors: [new GraphQLError('User has not enough GDD')],
         })
       })
-      it('logs the error thrown', () => {
+      it('logs the error "User has not enough GDD"', () => {
         expect(logger.error).toBeCalledWith('User has not enough GDD', expect.any(Number))
       })
     })
@@ -184,7 +187,7 @@ describe('TransactionLinkResolver', () => {
             })
           })
 
-          it('logs the error thrown', () => {
+          it('logs the error "No contribution link found to given code"', () => {
             expect(logger.error).toBeCalledWith(
               'No contribution link found to given code',
               'CL-123456',
@@ -228,7 +231,7 @@ describe('TransactionLinkResolver', () => {
             await resetEntity(DbContributionLink)
           })
 
-          it('logs the error thrown', () => {
+          it('logs the error "Contribution link is not valid yet"', () => {
             expect(logger.error).toBeCalledWith('Contribution link is not valid yet', validFrom)
             expect(logger.error).toBeCalledWith(
               'Creation from contribution link was not successful',
@@ -267,7 +270,7 @@ describe('TransactionLinkResolver', () => {
             await resetEntity(DbContributionLink)
           })
 
-          it('logs the error thrown', () => {
+          it('logs the error "Contribution link has unknown cycle"', () => {
             expect(logger.error).toBeCalledWith('Contribution link has unknown cycle', 'INVALID')
             expect(logger.error).toBeCalledWith(
               'Creation from contribution link was not successful',
@@ -306,7 +309,7 @@ describe('TransactionLinkResolver', () => {
             await resetEntity(DbContributionLink)
           })
 
-          it('logs the error thrown', () => {
+          it('logs the error "Contribution link is no longer valid"', () => {
             expect(logger.error).toBeCalledWith('Contribution link is no longer valid', validTo)
             expect(logger.error).toBeCalledWith(
               'Creation from contribution link was not successful',
@@ -402,7 +405,7 @@ describe('TransactionLinkResolver', () => {
               })
             })
 
-            it('logs the error thrown', () => {
+            it('logs the error "Creation from contribution link was not successful"', () => {
               expect(logger.error).toBeCalledWith(
                 'Creation from contribution link was not successful',
                 new Error(
@@ -445,6 +448,24 @@ describe('TransactionLinkResolver', () => {
               })
             })
 
+            it('stores the CONTRIBUTION_LINK_REDEEM event in the database', async () => {
+              const userConatct = await UserContact.findOneOrFail(
+                { email: 'bibi@bloxberg.de' },
+                { relations: ['user'] },
+              )
+              await expect(DbEvent.find()).resolves.toContainEqual(
+                expect.objectContaining({
+                  type: EventType.CONTRIBUTION_LINK_REDEEM,
+                  affectedUserId: userConatct.user.id,
+                  actingUserId: userConatct.user.id,
+                  involvedTransactionId: expect.any(Number),
+                  involvedContributionId: expect.any(Number),
+                  involvedContributionLinkId: contributionLink?.id,
+                  amount: contributionLink?.amount,
+                }),
+              )
+            })
+
             it('does not allow the user to redeem the contribution link a second time on the same day', async () => {
               jest.clearAllMocks()
               await expect(
@@ -459,7 +480,7 @@ describe('TransactionLinkResolver', () => {
               })
             })
 
-            it('logs the error thrown', () => {
+            it('logs the error "Creation from contribution link was not successful"', () => {
               expect(logger.error).toBeCalledWith(
                 'Creation from contribution link was not successful',
                 new Error('Contribution link already redeemed today'),
@@ -511,7 +532,7 @@ describe('TransactionLinkResolver', () => {
                 })
               })
 
-              it('logs the error thrown', () => {
+              it('logs the error "Creation from contribution link was not successful"', () => {
                 expect(logger.error).toBeCalledWith(
                   'Creation from contribution link was not successful',
                   new Error('Contribution link already redeemed today'),
@@ -714,7 +735,7 @@ describe('TransactionLinkResolver', () => {
             })
           })
 
-          it('logs the error thrown', () => {
+          it('logs the error "Could not find requested User"', () => {
             expect(logger.error).toBeCalledWith('Could not find requested User', -1)
           })
         })
@@ -853,6 +874,7 @@ describe('TransactionLinkResolver', () => {
         })
 
         // TODO: works not as expected, because 'redeemedAt' and 'redeemedBy' have to be added to the transaktion link factory
+        // eslint-disable-next-line jest/no-disabled-tests
         describe.skip('filter by redeemed', () => {
           it('finds 6 open transaction links, 1 deleted, and no redeemed', async () => {
             await expect(
diff --git a/backend/src/graphql/resolver/TransactionLinkResolver.ts b/backend/src/graphql/resolver/TransactionLinkResolver.ts
index 9e365ab51..774a7317f 100644
--- a/backend/src/graphql/resolver/TransactionLinkResolver.ts
+++ b/backend/src/graphql/resolver/TransactionLinkResolver.ts
@@ -35,6 +35,12 @@ import LogError from '@/server/LogError'
 
 import { getLastTransaction } from './util/getLastTransaction'
 import transactionLinkList from './util/transactionLinkList'
+import {
+  EVENT_CONTRIBUTION_LINK_REDEEM,
+  EVENT_TRANSACTION_LINK_CREATE,
+  EVENT_TRANSACTION_LINK_DELETE,
+  EVENT_TRANSACTION_LINK_REDEEM,
+} from '@/event/Event'
 
 // TODO: do not export, test it inside the resolver
 export const transactionLinkCode = (date: Date): string => {
@@ -89,6 +95,7 @@ export class TransactionLinkResolver {
     await DbTransactionLink.save(transactionLink).catch((e) => {
       throw new LogError('Unable to save transaction link', e)
     })
+    await EVENT_TRANSACTION_LINK_CREATE(user, transactionLink, amount)
 
     return new TransactionLink(transactionLink, new User(user))
   }
@@ -122,6 +129,8 @@ export class TransactionLinkResolver {
       throw new LogError('Transaction link could not be deleted', e)
     })
 
+    await EVENT_TRANSACTION_LINK_DELETE(user, transactionLink)
+
     return true
   }
 
@@ -272,7 +281,13 @@ export class TransactionLinkResolver {
           await queryRunner.manager.update(DbContribution, { id: contribution.id }, contribution)
 
           await queryRunner.commitTransaction()
-          logger.info('creation from contribution link commited successfuly.')
+          await EVENT_CONTRIBUTION_LINK_REDEEM(
+            user,
+            transaction,
+            contribution,
+            contributionLink,
+            contributionLink.amount,
+          )
         } catch (e) {
           await queryRunner.rollbackTransaction()
           throw new LogError('Creation from contribution link was not successful', e)
@@ -321,6 +336,12 @@ export class TransactionLinkResolver {
         user,
         transactionLink,
       )
+      await EVENT_TRANSACTION_LINK_REDEEM(
+        user,
+        { id: transactionLink.userId } as DbUser,
+        transactionLink,
+        transactionLink.amount,
+      )
 
       return true
     }
diff --git a/backend/src/graphql/resolver/UserResolver.test.ts b/backend/src/graphql/resolver/UserResolver.test.ts
index 2c52963f0..2c3358822 100644
--- a/backend/src/graphql/resolver/UserResolver.test.ts
+++ b/backend/src/graphql/resolver/UserResolver.test.ts
@@ -385,7 +385,7 @@ describe('UserResolver', () => {
               type: EventType.REDEEM_REGISTER,
               affectedUserId: result.data.createUser.id,
               actingUserId: result.data.createUser.id,
-              involvedContributionId: link.id,
+              involvedContributionLinkId: link.id,
             }),
           )
         })
@@ -470,7 +470,7 @@ describe('UserResolver', () => {
               type: EventType.REDEEM_REGISTER,
               affectedUserId: newUser.data.createUser.id,
               actingUserId: newUser.data.createUser.id,
-              involvedTransactionId: transactionLink.id,
+              involvedTransactionLinkId: transactionLink.id,
             }),
           )
         })
@@ -803,6 +803,7 @@ describe('UserResolver', () => {
       })
     })
 
+    // eslint-disable-next-line jest/no-disabled-tests
     describe.skip('user is in database but password is not set', () => {
       beforeAll(async () => {
         jest.clearAllMocks()
diff --git a/backend/src/graphql/resolver/UserResolver.ts b/backend/src/graphql/resolver/UserResolver.ts
index 703920ef4..71dc440de 100644
--- a/backend/src/graphql/resolver/UserResolver.ts
+++ b/backend/src/graphql/resolver/UserResolver.ts
@@ -20,9 +20,7 @@ import { getConnection, getCustomRepository, IsNull, Not } from '@dbTools/typeor
 import { User as DbUser } from '@entity/User'
 import { UserContact as DbUserContact } from '@entity/UserContact'
 import { TransactionLink as DbTransactionLink } from '@entity/TransactionLink'
-import { Transaction as DbTransaction } from '@entity/Transaction'
 import { ContributionLink as DbContributionLink } from '@entity/ContributionLink'
-import { Contribution as DbContribution } from '@entity/Contribution'
 import { UserRepository } from '@repository/User'
 
 import { User } from '@model/User'
@@ -294,16 +292,14 @@ export class UserResolver {
         logger.info('redeemCode found contributionLink', contributionLink)
         if (contributionLink) {
           dbUser.contributionLinkId = contributionLink.id
-          // TODO this is so wrong
-          eventRegisterRedeem.involvedContribution = { id: contributionLink.id } as DbContribution
+          eventRegisterRedeem.involvedContributionLink = contributionLink
         }
       } else {
         const transactionLink = await DbTransactionLink.findOne({ code: redeemCode })
         logger.info('redeemCode found transactionLink', transactionLink)
         if (transactionLink) {
           dbUser.referrerId = transactionLink.userId
-          // TODO this is so wrong
-          eventRegisterRedeem.involvedTransaction = { id: transactionLink.id } as DbTransaction
+          eventRegisterRedeem.involvedTransactionLink = transactionLink
         }
       }
     }
diff --git a/backend/src/graphql/resolver/semaphore.test.ts b/backend/src/graphql/resolver/semaphore.test.ts
index 28d311a7b..e2345cf45 100644
--- a/backend/src/graphql/resolver/semaphore.test.ts
+++ b/backend/src/graphql/resolver/semaphore.test.ts
@@ -5,8 +5,6 @@
 /* eslint-disable @typescript-eslint/no-explicit-any */
 
 import Decimal from 'decimal.js-light'
-// eslint-disable-next-line @typescript-eslint/no-unused-vars
-import { logger } from '@test/testSetup'
 import { userFactory } from '@/seeds/factory/user'
 import { bibiBloxberg } from '@/seeds/users/bibi-bloxberg'
 import { bobBaumeister } from '@/seeds/users/bob-baumeister'
diff --git a/backend/src/util/decay.test.ts b/backend/src/util/decay.test.ts
index cf00ec851..0e7b02f56 100644
--- a/backend/src/util/decay.test.ts
+++ b/backend/src/util/decay.test.ts
@@ -16,6 +16,7 @@ describe('utils/decay', () => {
       expect(decayFormula(amount, seconds).toString()).toBe('1.000000021964959992727444')
     })
     // we get pretty close, but not exact here, skipping
+    // eslint-disable-next-line jest/no-disabled-tests
     it.skip('has correct forward calculation', () => {
       const amount = new Decimal(1.0).div(
         new Decimal('0.99999997803504048973201202316767079413460520837376'),
diff --git a/backend/tsconfig.json b/backend/tsconfig.json
index 52241a0a6..146cd41e3 100644
--- a/backend/tsconfig.json
+++ b/backend/tsconfig.json
@@ -59,7 +59,7 @@
       "@entity/*": ["../database/entity/*", "../../database/build/entity/*"]
     },
     // "rootDirs": [],                              /* List of root folders whose combined content represents the structure of the project at runtime. */
-    "typeRoots": ["src/federation/@types", "node_modules/@types"],   /* List of folders to include type definitions from. */
+    "typeRoots": ["@types", "node_modules/@types"],   /* List of folders to include type definitions from. */
     // "types": [],                                 /* Type declaration files to be included in compilation. */
     // "allowSyntheticDefaultImports": true,        /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
     "esModuleInterop": true,                        /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
diff --git a/backend/yarn.lock b/backend/yarn.lock
index 3151557ab..2e5487de4 100644
--- a/backend/yarn.lock
+++ b/backend/yarn.lock
@@ -1239,6 +1239,14 @@
     "@typescript-eslint/types" "5.53.0"
     "@typescript-eslint/visitor-keys" "5.53.0"
 
+"@typescript-eslint/scope-manager@5.54.1":
+  version "5.54.1"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/scope-manager/-/scope-manager-5.54.1.tgz#6d864b4915741c608a58ce9912edf5a02bb58735"
+  integrity sha512-zWKuGliXxvuxyM71UA/EcPxaviw39dB2504LqAmFDjmkpO8qNLHcmzlh6pbHs1h/7YQ9bnsO8CCcYCSA8sykUg==
+  dependencies:
+    "@typescript-eslint/types" "5.54.1"
+    "@typescript-eslint/visitor-keys" "5.54.1"
+
 "@typescript-eslint/types@4.33.0":
   version "4.33.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-4.33.0.tgz#a1e59036a3b53ae8430ceebf2a919dc7f9af6d72"
@@ -1249,6 +1257,11 @@
   resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-5.53.0.tgz#f79eca62b97e518ee124086a21a24f3be267026f"
   integrity sha512-5kcDL9ZUIP756K6+QOAfPkigJmCPHcLN7Zjdz76lQWWDdzfOhZDTj1irs6gPBKiXx5/6O3L0+AvupAut3z7D2A==
 
+"@typescript-eslint/types@5.54.1":
+  version "5.54.1"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-5.54.1.tgz#29fbac29a716d0f08c62fe5de70c9b6735de215c"
+  integrity sha512-G9+1vVazrfAfbtmCapJX8jRo2E4MDXxgm/IMOF4oGh3kq7XuK3JRkOg6y2Qu1VsTRmWETyTkWt1wxy7X7/yLkw==
+
 "@typescript-eslint/typescript-estree@4.33.0":
   version "4.33.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-4.33.0.tgz#0dfb51c2908f68c5c08d82aefeaf166a17c24609"
@@ -1275,6 +1288,19 @@
     semver "^7.3.7"
     tsutils "^3.21.0"
 
+"@typescript-eslint/typescript-estree@5.54.1":
+  version "5.54.1"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-5.54.1.tgz#df7b6ae05fd8fef724a87afa7e2f57fa4a599be1"
+  integrity sha512-bjK5t+S6ffHnVwA0qRPTZrxKSaFYocwFIkZx5k7pvWfsB1I57pO/0M0Skatzzw1sCkjJ83AfGTL0oFIFiDX3bg==
+  dependencies:
+    "@typescript-eslint/types" "5.54.1"
+    "@typescript-eslint/visitor-keys" "5.54.1"
+    debug "^4.3.4"
+    globby "^11.1.0"
+    is-glob "^4.0.3"
+    semver "^7.3.7"
+    tsutils "^3.21.0"
+
 "@typescript-eslint/utils@5.53.0":
   version "5.53.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/utils/-/utils-5.53.0.tgz#e55eaad9d6fffa120575ffaa530c7e802f13bce8"
@@ -1289,6 +1315,20 @@
     eslint-utils "^3.0.0"
     semver "^7.3.7"
 
+"@typescript-eslint/utils@^5.10.0":
+  version "5.54.1"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/utils/-/utils-5.54.1.tgz#7a3ee47409285387b9d4609ea7e1020d1797ec34"
+  integrity sha512-IY5dyQM8XD1zfDe5X8jegX6r2EVU5o/WJnLu/znLPWCBF7KNGC+adacXnt5jEYS9JixDcoccI6CvE4RCjHMzCQ==
+  dependencies:
+    "@types/json-schema" "^7.0.9"
+    "@types/semver" "^7.3.12"
+    "@typescript-eslint/scope-manager" "5.54.1"
+    "@typescript-eslint/types" "5.54.1"
+    "@typescript-eslint/typescript-estree" "5.54.1"
+    eslint-scope "^5.1.1"
+    eslint-utils "^3.0.0"
+    semver "^7.3.7"
+
 "@typescript-eslint/visitor-keys@4.33.0":
   version "4.33.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/visitor-keys/-/visitor-keys-4.33.0.tgz#2a22f77a41604289b7a186586e9ec48ca92ef1dd"
@@ -1305,6 +1345,14 @@
     "@typescript-eslint/types" "5.53.0"
     eslint-visitor-keys "^3.3.0"
 
+"@typescript-eslint/visitor-keys@5.54.1":
+  version "5.54.1"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/visitor-keys/-/visitor-keys-5.54.1.tgz#d7a8a0f7181d6ac748f4d47b2306e0513b98bf8b"
+  integrity sha512-q8iSoHTgwCfgcRJ2l2x+xCbu8nBlRAlsQ33k24Adj8eoVBE0f8dUeI+bAa8F84Mv05UGbAx57g2zrRsYIooqQg==
+  dependencies:
+    "@typescript-eslint/types" "5.54.1"
+    eslint-visitor-keys "^3.3.0"
+
 "@wry/equality@^0.1.2":
   version "0.1.11"
   resolved "https://registry.yarnpkg.com/@wry/equality/-/equality-0.1.11.tgz#35cb156e4a96695aa81a9ecc4d03787bc17f1790"
@@ -2714,6 +2762,13 @@ eslint-plugin-import@^2.23.4:
     resolve "^1.20.0"
     tsconfig-paths "^3.11.0"
 
+eslint-plugin-jest@^27.2.1:
+  version "27.2.1"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-jest/-/eslint-plugin-jest-27.2.1.tgz#b85b4adf41c682ea29f1f01c8b11ccc39b5c672c"
+  integrity sha512-l067Uxx7ZT8cO9NJuf+eJHvt6bqJyz2Z29wykyEdz/OtmcELQl2MQGQLX8J94O1cSJWAwUSEvCjwjA7KEK3Hmg==
+  dependencies:
+    "@typescript-eslint/utils" "^5.10.0"
+
 eslint-plugin-node@^11.1.0:
   version "11.1.0"
   resolved "https://registry.yarnpkg.com/eslint-plugin-node/-/eslint-plugin-node-11.1.0.tgz#c95544416ee4ada26740a30474eefc5402dc671d"
@@ -4526,6 +4581,13 @@ kleur@^3.0.3:
   resolved "https://registry.yarnpkg.com/kleur/-/kleur-3.0.3.tgz#a79c9ecc86ee1ce3fa6206d1216c501f147fc07e"
   integrity sha512-eTIzlVOSUR+JxdDFepEYcBMtZ9Qqdef+rnzWdRZuMbOywu5tO2w2N7rqjoANZ5k9vywhL6Br1VRjUIgTQx4E8w==
 
+klicktipp-api@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/klicktipp-api/-/klicktipp-api-1.0.2.tgz#a7ba728887c4d9a1c257fa30b78cbe0be92a20ab"
+  integrity sha512-aQQpuznC0O2W7Oq2BxKDnuLAnGmKTMfudOQ0TAEf0TLv82KH2AsCXl0nbutJ2g1i3MH+sCyGE/r/nwnUhr4QeA==
+  dependencies:
+    axios "^0.21.1"
+
 latest-version@^5.1.0:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/latest-version/-/latest-version-5.1.0.tgz#119dfe908fe38d15dfa43ecd13fa12ec8832face"
diff --git a/database/entity/0063-event_link_fields/Event.ts b/database/entity/0063-event_link_fields/Event.ts
new file mode 100644
index 000000000..dc7fa776c
--- /dev/null
+++ b/database/entity/0063-event_link_fields/Event.ts
@@ -0,0 +1,99 @@
+import { Contribution } from '../Contribution'
+import { ContributionMessage } from '../ContributionMessage'
+import { User } from '../User'
+import { Transaction } from '../Transaction'
+import Decimal from 'decimal.js-light'
+import {
+  BaseEntity,
+  Entity,
+  PrimaryGeneratedColumn,
+  Column,
+  CreateDateColumn,
+  ManyToOne,
+  JoinColumn,
+} from 'typeorm'
+import { DecimalTransformer } from '../../src/typeorm/DecimalTransformer'
+import { TransactionLink } from '../TransactionLink'
+import { ContributionLink } from '../ContributionLink'
+
+@Entity('events')
+export class Event extends BaseEntity {
+  @PrimaryGeneratedColumn('increment', { unsigned: true })
+  id: number
+
+  @Column({ length: 100, nullable: false, collation: 'utf8mb4_unicode_ci' })
+  type: string
+
+  @CreateDateColumn({
+    name: 'created_at',
+    type: 'datetime',
+    default: () => 'CURRENT_TIMESTAMP(3)',
+    nullable: false,
+  })
+  createdAt: Date
+
+  @Column({ name: 'affected_user_id', unsigned: true, nullable: false })
+  affectedUserId: number
+
+  @ManyToOne(() => User)
+  @JoinColumn({ name: 'affected_user_id', referencedColumnName: 'id' })
+  affectedUser: User
+
+  @Column({ name: 'acting_user_id', unsigned: true, nullable: false })
+  actingUserId: number
+
+  @ManyToOne(() => User)
+  @JoinColumn({ name: 'acting_user_id', referencedColumnName: 'id' })
+  actingUser: User
+
+  @Column({ name: 'involved_user_id', type: 'int', unsigned: true, nullable: true })
+  involvedUserId: number | null
+
+  @ManyToOne(() => User)
+  @JoinColumn({ name: 'involved_user_id', referencedColumnName: 'id' })
+  involvedUser: User | null
+
+  @Column({ name: 'involved_transaction_id', type: 'int', unsigned: true, nullable: true })
+  involvedTransactionId: number | null
+
+  @ManyToOne(() => Transaction)
+  @JoinColumn({ name: 'involved_transaction_id', referencedColumnName: 'id' })
+  involvedTransaction: Transaction | null
+
+  @Column({ name: 'involved_contribution_id', type: 'int', unsigned: true, nullable: true })
+  involvedContributionId: number | null
+
+  @ManyToOne(() => Contribution)
+  @JoinColumn({ name: 'involved_contribution_id', referencedColumnName: 'id' })
+  involvedContribution: Contribution | null
+
+  @Column({ name: 'involved_contribution_message_id', type: 'int', unsigned: true, nullable: true })
+  involvedContributionMessageId: number | null
+
+  @ManyToOne(() => ContributionMessage)
+  @JoinColumn({ name: 'involved_contribution_message_id', referencedColumnName: 'id' })
+  involvedContributionMessage: ContributionMessage | null
+
+  @Column({ name: 'involved_transaction_link_id', type: 'int', unsigned: true, nullable: true })
+  involvedTransactionLinkId: number | null
+
+  @ManyToOne(() => TransactionLink)
+  @JoinColumn({ name: 'involved_transaction_link_id', referencedColumnName: 'id' })
+  involvedTransactionLink: TransactionLink | null
+
+  @Column({ name: 'involved_contribution_link_id', type: 'int', unsigned: true, nullable: true })
+  involvedContributionLinkId: number | null
+
+  @ManyToOne(() => ContributionLink)
+  @JoinColumn({ name: 'involved_contribution_link_id', referencedColumnName: 'id' })
+  involvedContributionLink: ContributionLink | null
+
+  @Column({
+    type: 'decimal',
+    precision: 40,
+    scale: 20,
+    nullable: true,
+    transformer: DecimalTransformer,
+  })
+  amount: Decimal | null
+}
diff --git a/database/entity/Event.ts b/database/entity/Event.ts
index e53085f2f..04cbaf458 100644
--- a/database/entity/Event.ts
+++ b/database/entity/Event.ts
@@ -1 +1 @@
-export { Event } from './0061-event_refactoring/Event'
+export { Event } from './0063-event_link_fields/Event'
diff --git a/database/migrations/0063-event_link_fields.ts b/database/migrations/0063-event_link_fields.ts
new file mode 100644
index 000000000..3b383ad07
--- /dev/null
+++ b/database/migrations/0063-event_link_fields.ts
@@ -0,0 +1,29 @@
+/* MIGRATION TO ADD LINK ID FIELDS TO EVENT TABLE
+ *
+ * This migration add two fields to store a TransactionLinkId and a ContributionLinkId
+ * in the event table. Furthermore the event `REDEEM_REGISTER` is rewritten to use the
+ * new fields.
+ */
+
+/* eslint-disable @typescript-eslint/explicit-module-boundary-types */
+/* eslint-disable @typescript-eslint/no-explicit-any */
+
+export async function upgrade(queryFn: (query: string, values?: any[]) => Promise<Array<any>>) {
+  await queryFn(
+    'ALTER TABLE `events` ADD COLUMN `involved_transaction_link_id` int(10) unsigned DEFAULT NULL AFTER `involved_contribution_message_id`;',
+  )
+  await queryFn(
+    'ALTER TABLE `events` ADD COLUMN `involved_contribution_link_id` int(10) unsigned DEFAULT NULL AFTER `involved_transaction_link_id`;',
+  )
+  await queryFn(
+    'UPDATE `events` SET `involved_transaction_link_id` = `involved_transaction_id`, `involved_transaction_id` = NULL, `involved_contribution_link_id` = `involved_contribution_id`, `involved_contribution_id` = NULL WHERE `type` = "REDEEM_REGISTER";',
+  )
+}
+
+export async function downgrade(queryFn: (query: string, values?: any[]) => Promise<Array<any>>) {
+  await queryFn(
+    'UPDATE `events` SET `involved_transaction_id` = `involved_transaction_link_id`, `involved_contribution_id` = `involved_contribution_link_id` WHERE `type` = "REDEEM_REGISTER";',
+  )
+  await queryFn('ALTER TABLE `events` DROP COLUMN `involved_contribution_link_id`;')
+  await queryFn('ALTER TABLE `events` DROP COLUMN `involved_transaction_link_id`;')
+}
diff --git a/dht-node/src/config/index.ts b/dht-node/src/config/index.ts
index 7ca44e52c..78f2b162c 100644
--- a/dht-node/src/config/index.ts
+++ b/dht-node/src/config/index.ts
@@ -3,7 +3,7 @@ import dotenv from 'dotenv'
 dotenv.config()
 
 const constants = {
-  DB_VERSION: '0062-event_contribution_confirm',
+  DB_VERSION: '0063-event_link_fields',
   LOG4JS_CONFIG: 'log4js-config.json',
   // default log level on production should be info
   LOG_LEVEL: process.env.LOG_LEVEL || 'info',
diff --git a/federation/src/config/index.ts b/federation/src/config/index.ts
index 36fec7a7a..f149b70b7 100644
--- a/federation/src/config/index.ts
+++ b/federation/src/config/index.ts
@@ -11,7 +11,7 @@ Decimal.set({
 */
 
 const constants = {
-  DB_VERSION: '0062-event_contribution_confirm',
+  DB_VERSION: '0063-event_link_fields',
   // DECAY_START_TIME: new Date('2021-05-13 17:46:31-0000'), // GMT+0
   LOG4JS_CONFIG: 'log4js-config.json',
   // default log level on production should be info
diff --git a/frontend/src/components/UserSettings/UserNewsletter.spec.js b/frontend/src/components/UserSettings/UserNewsletter.spec.js
index bb2781586..b211ec169 100644
--- a/frontend/src/components/UserSettings/UserNewsletter.spec.js
+++ b/frontend/src/components/UserSettings/UserNewsletter.spec.js
@@ -60,9 +60,6 @@ describe('UserCard_Newsletter', () => {
       it('calls the unsubscribe mutation', () => {
         expect(mockAPIcall).toBeCalledWith({
           mutation: unsubscribeNewsletter,
-          variables: {
-            email: 'peter@lustig.de',
-          },
         })
       })
 
@@ -89,10 +86,6 @@ describe('UserCard_Newsletter', () => {
       it('calls the subscribe mutation', () => {
         expect(mockAPIcall).toBeCalledWith({
           mutation: subscribeNewsletter,
-          variables: {
-            email: 'peter@lustig.de',
-            language: 'de',
-          },
         })
       })
 
diff --git a/frontend/src/components/UserSettings/UserNewsletter.vue b/frontend/src/components/UserSettings/UserNewsletter.vue
index 39f3a14af..50e442a29 100644
--- a/frontend/src/components/UserSettings/UserNewsletter.vue
+++ b/frontend/src/components/UserSettings/UserNewsletter.vue
@@ -41,10 +41,6 @@ export default {
       this.$apollo
         .mutate({
           mutation: this.newsletterState ? subscribeNewsletter : unsubscribeNewsletter,
-          variables: {
-            email: this.$store.state.email,
-            language: this.newsletterState ? this.$store.state.language : undefined,
-          },
         })
         .then(() => {
           this.$store.commit('newsletterState', this.newsletterState)
diff --git a/frontend/src/graphql/mutations.js b/frontend/src/graphql/mutations.js
index f1c920611..65bdd7497 100644
--- a/frontend/src/graphql/mutations.js
+++ b/frontend/src/graphql/mutations.js
@@ -1,14 +1,14 @@
 import gql from 'graphql-tag'
 
 export const subscribeNewsletter = gql`
-  mutation($email: String!, $language: String!) {
-    subscribeNewsletter(email: $email, language: $language)
+  mutation {
+    subscribeNewsletter
   }
 `
 
 export const unsubscribeNewsletter = gql`
-  mutation($email: String!) {
-    unsubscribeNewsletter(email: $email)
+  mutation {
+    unsubscribeNewsletter
   }
 `
 
diff --git a/frontend/src/locales/fr.json b/frontend/src/locales/fr.json
index 102825acc..0ab1a62d4 100644
--- a/frontend/src/locales/fr.json
+++ b/frontend/src/locales/fr.json
@@ -23,7 +23,7 @@
     "choose-another-community": "Choisissez une autre communauté",
     "community": "Communauté",
     "communityMember": "Vous etes un membre actif",
-    "continue-to-registration": "Continuez l´inscription",
+    "continue-to-registration": "Continuez l'inscription",
     "moderator": "Modérateur",
     "moderators": "Modérateurs",
     "myContributions": "Mes contributions",
@@ -43,20 +43,20 @@
       "deleted": "Supprimé",
       "denied": "supprimé",
       "in_progress": "Il y a une question du modérateur.",
-      "myContributionNoteList": "À tout moment vous pouvez éditer ou supprimer les données qui n´ont pas été confirmées.",
+      "myContributionNoteList": "À tout moment vous pouvez éditer ou supprimer les données qui n'ont pas été confirmées.",
       "pending": "Inscription en attente de validation"
     },
     "date": "Contribution pour:",
     "delete": "Supprimer la contribution! Êtes-vous sûr?",
     "deleted": "La contribution a été supprimée! Mais elle restera visible.",
     "formText": {
-      "bringYourTalentsTo": "Apportez vos talents à la communauté! Votre participation bénévole sera récompensée de 20 GDD/heure jusqu´à un plafond de 1000 GDD/mois.",
-      "describeYourCommunity": "Décrivez votre activité/service à la communauté en mentionnant le nombre d´heures, et calculez le montant à raison de 20 GDD/heure! Après confirmation par l´un de nos collaborateurs, le montant sera crédité sur votre compte.",
+      "bringYourTalentsTo": "Apportez vos talents à la communauté! Votre participation bénévole sera récompensée de 20 GDD/heure jusqu'à un plafond de 1000 GDD/mois.",
+      "describeYourCommunity": "Décrivez votre activité/service à la communauté en mentionnant le nombre d'heures, et calculez le montant à raison de 20 GDD/heure! Après confirmation par l'un de nos collaborateurs, le montant sera crédité sur votre compte.",
       "maxGDDforMonth": "Vous pouvez seulement déclarer un montant maximum de (montant) GDD pour le mois sélectionné.",
       "openAmountForMonth": "Pour <b>{monthAndYear}</b>, vous pouvez encore déclarer <b>{creation}</b> GDD.",
       "yourContribution": "Votre contribution au bien commun"
     },
-    "noDateSelected": "Choisissez n´importe quelle date du mois",
+    "noDateSelected": "Choisissez n'importe quelle date du mois",
     "selectDate": "Quand a été effectuée votre contribution?",
     "submit": "Soumettre",
     "submitted": "La contribution a été soumise.",
@@ -70,7 +70,7 @@
   "contributionText": "Texte de la contribution",
   "creation": "Création",
   "decay": {
-    "before_startblock_transaction": "Cette transaction n´est pas péremptoire.",
+    "before_startblock_transaction": "Cette transaction n'est pas péremptoire.",
     "calculation_decay": "Calcul de la décroissance",
     "calculation_total": "Calcul du montant total",
     "decay": "Décroissance",
@@ -94,9 +94,9 @@
     "email-already-sent": "Nous vous avons déjà envoyé un email il y a moins de 10 minutes.",
     "empty-transactionlist": "Il y a eu une erreur lors de la transmission du numéro de votre transaction.",
     "error": "Erreur!",
-    "no-account": "Malheureusement nous n´avons pas pu trouver de compte (actif) correspondant aux données transmises.",
-    "no-transactionlist": "Il y a malheureusement eu une erreur. Aucune transaction n´a été envoyée depuis l`serveur.",
-    "no-user": "Pas d`utilisateur pour cet identifiant.",
+    "no-account": "Malheureusement nous n'avons pas pu trouver de compte (actif) correspondant aux données transmises.",
+    "no-transactionlist": "Il y a malheureusement eu une erreur. Aucune transaction n'a été envoyée depuis l'serveur.",
+    "no-user": "Pas d'utilisateur pour cet identifiant.",
     "session-expired": "La session a expiré pour des raisons de sécurité.",
     "unknown-error": "Erreur inconnue: "
   },
@@ -131,7 +131,7 @@
     "memo": "Note",
     "message": "Message",
     "new_balance": "Montant du solde après confirmation",
-    "no_gdd_available": "Vous n´avez pas de GDD à envoyer.",
+    "no_gdd_available": "Vous n'avez pas de GDD à envoyer.",
     "password": "Mot de passe",
     "passwordRepeat": "Répétez le mot de passe",
     "password_new": "Nouveau mot de passe",
@@ -145,7 +145,7 @@
     "sender": "Expéditeur",
     "send_check": "Confirmez la transaction. Veuillez revérifier toutes les données svp!",
     "send_now": "Envoyez maintenant",
-    "send_transaction_error": "Malheureusement, la transaction n´a pas pu être effectuée!",
+    "send_transaction_error": "Malheureusement, la transaction n'a pas pu être effectuée!",
     "send_transaction_success": "Votre transaction a été effectuée avec succès",
     "sorry": "Désolé",
     "thx": "Merci",
@@ -155,8 +155,8 @@
       "gddCreationTime": "Le champ {_field_} doit comprendre un nombre entre {min} et {max} avec un maximum de une décimale.",
       "gddSendAmount": "Le champ {_field_} doit comprendre un nombre entre {min} et {max} avec un maximum de deux chiffres après la virgule",
       "is-not": "Vous ne pouvez pas vous envoyer de Gradido à vous-même",
-      "usernmae-regex": "Le nom d´utilisateur doit commencer par une lettre, suivi d´au moins deux caractères alphanumériques.",
-      "usernmae-unique": "Ce nom d´utilisateur est déjà pris."
+      "usernmae-regex": "Le nom d'utilisateur doit commencer par une lettre, suivi d'au moins deux caractères alphanumériques.",
+      "usernmae-unique": "Ce nom d'utilisateur est déjà pris."
     },
     "your_amount": "Votre montant"
   },
@@ -167,7 +167,7 @@
     "copy-link": "Copier le lien",
     "copy-link-with-text": "Copier le lien et le texte",
     "created": "Le lien a été créé!",
-    "credit-your-gradido": "Pour l´accréditation du Gradido, cliquer sur le lien!",
+    "credit-your-gradido": "Pour l'accréditation du Gradido, cliquer sur le lien!",
     "delete-the-link": "Supprimer le lien?",
     "deleted": "Le lien a été supprimé!",
     "expiredOn": "A expiré le",
@@ -177,13 +177,13 @@
     "link-and-text-copied": "Le lien et votre message ont été copiés dans le presse-papier. Vous pouvez maintenant le joindre à un email ou à un message..",
     "link-copied": "Le lien a été copié dans le presse-papier. Vous pouvez désormais le coller dans votre email ou votre message.",
     "link-deleted": "Le lien a été supprimé le on {date}.",
-    "link-expired": "Le lien n´est plus valide. Sa validité a expiré le {date}.",
+    "link-expired": "Le lien n'est plus valide. Sa validité a expiré le {date}.",
     "link-hint": "Attention : tout le monde peut utiliser ce lien. Veuillez en prendre soin!",
     "link-overview": "Aperçu du lien",
     "links_count": "Liens actifs",
     "links_sum": "Ouvrir les liens et les QR codes",
-    "no-account": "Vous n´avez pas encore de compte Gradido?",
-    "no-redeem": "Vous n´êtes pas autorisé à percevoir votre propre lien!",
+    "no-account": "Vous n'avez pas encore de compte Gradido?",
+    "no-redeem": "Vous n'êtes pas autorisé à percevoir votre propre lien!",
     "not-copied": "Malheureusement votre appareil ne permet pas de copier! Veuillez copier le lien manuellement svp!",
     "redeem": "Encaisser",
     "redeemed": "Encaissé avec succès! Votre compte est crédité de {n} GDD.",
@@ -191,8 +191,8 @@
     "redeemed-title": "encaisser",
     "to-login": "Connexion",
     "to-register": "Enregistrer un nouveau compte.",
-    "validUntil": "Valide jusqu´au",
-    "validUntilDate": "Le lien est valide jusqu´au {date}."
+    "validUntil": "Valide jusqu'au",
+    "validUntilDate": "Le lien est valide jusqu'au {date}."
   },
   "GDT": "GDT",
   "gdt": {
@@ -208,7 +208,7 @@
     "gdt-received": "Gradido Transform (GDT) perçu",
     "gdtKonto": "Compte GDT",
     "no-transactions": "Vous ne possédez pas encore Gradido Transform (GDT).",
-    "not-reachable": "Le Serveur GDT n´est pas accessible.",
+    "not-reachable": "Le Serveur GDT n'est pas accessible.",
     "publisher": "Un membre que vous avez référé a apporté un contribution",
     "raise": "Augmentation",
     "recruited-member": "Membre invité"
@@ -226,15 +226,15 @@
   "maxReached": "Max. atteint",
   "member": "Membre",
   "message": {
-    "activateEmail": "Votre compte n´a pas encore été activé. Veuillez vérifier vos emails et cliquer sur le lien d´activation ou faites la demande d´un nouveau lien en utilisant la page qui permet de générer un nouveau mot de passe.",
+    "activateEmail": "Votre compte n'a pas encore été activé. Veuillez vérifier vos emails et cliquer sur le lien d'activation ou faites la demande d'un nouveau lien en utilisant la page qui permet de générer un nouveau mot de passe.",
     "checkEmail": "Votre email a bien été vérifié. Vous pouvez vous enregistrer maintenant.",
     "email": "Nous vous avons envoyé un email.",
     "errorTitle": "Attention!",
-    "register": "Vous êtes enregistré maintenant, merci de vérifier votre boîte mail et cliquer sur le lien d´activation.",
+    "register": "Vous êtes enregistré maintenant, merci de vérifier votre boîte mail et cliquer sur le lien d'activation.",
     "reply": "Merci, ta réponse a été envoyée.",
     "reset": "Votre mot de passe a été modifié.",
     "title": "Merci!",
-    "unsetPassword": "Votre mot de passe n´a pas été accepté. Merci de le réinitialiser."
+    "unsetPassword": "Votre mot de passe n'a pas été accepté. Merci de le réinitialiser."
   },
   "navigation": {
     "admin_area": "Partie administrative",
@@ -262,7 +262,7 @@
   "send_per_link": "Envoyer GDD via lien",
   "session": {
     "extend": "Rester connecter",
-    "lightText": "S´il n´apparaît aucune activité pendant plus de 10 minutes, la session expirera pour des raisons de sécurité.",
+    "lightText": "S'il n'apparaît aucune activité pendant plus de 10 minutes, la session expirera pour des raisons de sécurité.",
     "logoutIn": "Se déconnecter ",
     "warningText": "Êtes-vous toujours connecté?"
   },
@@ -285,12 +285,12 @@
     "newsletter": {
       "newsletter": "Information par email",
       "newsletterFalse": "Vous ne recevrez aucune information par email.",
-      "newsletterTrue": "Vous recevrez de l´information par email."
+      "newsletterTrue": "Vous recevrez de l'information par email."
     },
     "password": {
       "change-password": "Changer le mot de passe",
       "forgot_pwd": "Mot de passe oublié?",
-      "resend_subtitle": "Votre lien d´activation a expiré, vous pouvez en obtenir un nouveau ici.",
+      "resend_subtitle": "Votre lien d'activation a expiré, vous pouvez en obtenir un nouveau ici.",
       "reset": "Réinitialiser le mot de passe",
       "reset-password": {
         "text": "Entrez un nouveau mot de passe que vous utiliserez dans le futur pour vous connecter à votre compte Gradido.."
@@ -305,21 +305,21 @@
     "showAmountGDD": "Votre montant GDD est visible.",
     "showAmountGDT": "Votre montant GDT est visible."
   },
-  "signin": "S´identifier",
-  "signup": "S´inscrire",
+  "signin": "S'identifier",
+  "signup": "S'inscrire",
   "site": {
     "forgotPassword": {
-      "heading": "Veuillez entrer l´adresse email sous laquelle vous êtes enregistré ici svp."
+      "heading": "Veuillez entrer l'adresse email sous laquelle vous êtes enregistré ici svp."
     },
     "resetPassword": {
-      "heading": "Entrez votre mot de passe et répétez l´action svp."
+      "heading": "Entrez votre mot de passe et répétez l'action svp."
     },
     "signup": {
-      "agree": "J´accepte le <a href='https://gradido.net/en/datenschutz/' target='_blank' > politique de confidentialité </a>.",
+      "agree": "J'accepte le <a href='https://gradido.net/en/datenschutz/' target='_blank' > politique de confidentialité </a>.",
       "dont_match": "Les mots de passe ne correspondent pas.",
       "lowercase": "Une lettre minuscule est requise.",
       "minimum": "8 caractères minimum.",
-      "no-whitespace": "Pas d´espace ni d´onglet",
+      "no-whitespace": "Pas d'espace ni d'onglet",
       "one_number": "Un chiffre requis.",
       "special-char": "Un caractère spécial requis (e.g. _ or ä)",
       "uppercase": "Une lettre majuscule requise."
@@ -339,8 +339,8 @@
   },
   "transaction": {
     "lastTransactions": "Dernières transactions",
-    "nullTransactions": "Vous n´avez pas encore de transaction effectuée sur votre compte.",
-    "receiverDeleted": "Le compte du destinataire n´existe plus",
+    "nullTransactions": "Vous n'avez pas encore de transaction effectuée sur votre compte.",
+    "receiverDeleted": "Le compte du destinataire n'existe plus",
     "receiverNotFound": "Destinataire inconnu",
     "show_all": "Voir toutes les <strong>{count}</strong> transactions."
   },