diff --git a/backend/src/config/index.ts b/backend/src/config/index.ts
index 8d1ed8ae6..70830359f 100644
--- a/backend/src/config/index.ts
+++ b/backend/src/config/index.ts
@@ -12,7 +12,7 @@ Decimal.set({
 })
 
 const constants = {
-  DB_VERSION: '0066-x-community-sendcoins-transactions_table',
+  DB_VERSION: '0067-private_key_in_community_table',
   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/graphql/model/KlickTipp.ts b/backend/src/graphql/model/KlickTipp.ts
index 059c7874d..356ed391f 100644
--- a/backend/src/graphql/model/KlickTipp.ts
+++ b/backend/src/graphql/model/KlickTipp.ts
@@ -1,12 +1,9 @@
-/* eslint-disable @typescript-eslint/no-explicit-any */
-/* eslint-disable @typescript-eslint/no-unsafe-member-access */
-/* eslint-disable @typescript-eslint/explicit-module-boundary-types */
 import { ObjectType, Field } from 'type-graphql'
 
 @ObjectType()
 export class KlickTipp {
-  constructor(json: any) {
-    this.newsletterState = json.status === 'Subscribed'
+  constructor(newsletterState: boolean) {
+    this.newsletterState = newsletterState
   }
 
   @Field(() => Boolean)
diff --git a/backend/src/graphql/resolver/UserResolver.ts b/backend/src/graphql/resolver/UserResolver.ts
index 89dde8b7a..9df6b861b 100644
--- a/backend/src/graphql/resolver/UserResolver.ts
+++ b/backend/src/graphql/resolver/UserResolver.ts
@@ -8,17 +8,7 @@ import { TransactionLink as DbTransactionLink } from '@entity/TransactionLink'
 import { User as DbUser } from '@entity/User'
 import { UserContact as DbUserContact } from '@entity/UserContact'
 import i18n from 'i18n'
-import {
-  Resolver,
-  Query,
-  Args,
-  Arg,
-  Authorized,
-  Ctx,
-  UseMiddleware,
-  Mutation,
-  Int,
-} from 'type-graphql'
+import { Resolver, Query, Args, Arg, Authorized, Ctx, Mutation, Int } from 'type-graphql'
 import { v4 as uuidv4 } from 'uuid'
 
 import { CreateUserArgs } from '@arg/CreateUserArgs'
@@ -60,7 +50,6 @@ import {
   EVENT_ADMIN_USER_DELETE,
   EVENT_ADMIN_USER_UNDELETE,
 } from '@/event/Events'
-import { klicktippNewsletterStateMiddleware } from '@/middleware/klicktippMiddleware'
 import { isValidPassword } from '@/password/EncryptorUtils'
 import { encryptPassword, verifyPassword } from '@/password/PasswordEncryptor'
 import { Context, getUser, getClientTimezoneOffset } from '@/server/context'
@@ -76,6 +65,7 @@ import { randombytes_random } from 'sodium-native'
 import { FULL_CREATION_AVAILABLE } from './const/const'
 import { getUserCreations } from './util/creations'
 import { findUserByIdentifier } from './util/findUserByIdentifier'
+import { getKlicktippState } from './util/getKlicktippState'
 import { validateAlias } from './util/validateAlias'
 
 const LANGUAGES = ['de', 'en', 'es', 'fr', 'nl']
@@ -120,7 +110,6 @@ const newGradidoID = async (): Promise<string> => {
 export class UserResolver {
   @Authorized([RIGHTS.VERIFY_LOGIN])
   @Query(() => User)
-  @UseMiddleware(klicktippNewsletterStateMiddleware)
   async verifyLogin(@Ctx() context: Context): Promise<User> {
     logger.info('verifyLogin...')
     // TODO refactor and do not have duplicate code with login(see below)
@@ -130,12 +119,12 @@ export class UserResolver {
     user.hasElopage = await this.hasElopage(context)
 
     logger.debug(`verifyLogin... successful: ${user.firstName}.${user.lastName}`)
+    user.klickTipp = await getKlicktippState(userEntity.emailContact.email)
     return user
   }
 
   @Authorized([RIGHTS.LOGIN])
   @Mutation(() => User)
-  @UseMiddleware(klicktippNewsletterStateMiddleware)
   async login(
     @Args() { email, password, publisherId }: UnsecureLoginArgs,
     @Ctx() context: Context,
@@ -181,6 +170,7 @@ export class UserResolver {
       dbUser.publisherId = publisherId
       await DbUser.save(dbUser)
     }
+    user.klickTipp = await getKlicktippState(dbUser.emailContact.email)
 
     context.setHeaders.push({
       key: 'token',
diff --git a/backend/src/graphql/resolver/util/getKlicktippState.ts b/backend/src/graphql/resolver/util/getKlicktippState.ts
new file mode 100644
index 000000000..728f565ff
--- /dev/null
+++ b/backend/src/graphql/resolver/util/getKlicktippState.ts
@@ -0,0 +1,19 @@
+/* eslint-disable @typescript-eslint/no-unsafe-return */
+import { KlickTipp } from '@model/KlickTipp'
+
+import { getKlickTippUser } from '@/apis/KlicktippController'
+import { klickTippLogger as logger } from '@/server/logger'
+
+export const getKlicktippState = async (email: string): Promise<KlickTipp> => {
+  try {
+    // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
+    const klickTippUser = await getKlickTippUser(email)
+    if (klickTippUser) {
+      // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
+      return new KlickTipp(klickTippUser.status === 'Subscribed')
+    }
+  } catch (err) {
+    logger.error('There is no klicktipp user for email', email, err)
+  }
+  return new KlickTipp(false)
+}
diff --git a/backend/src/middleware/klicktippMiddleware.ts b/backend/src/middleware/klicktippMiddleware.ts
deleted file mode 100644
index 038bd3dd3..000000000
--- a/backend/src/middleware/klicktippMiddleware.ts
+++ /dev/null
@@ -1,31 +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-unsafe-argument */
-import { MiddlewareFn } from 'type-graphql'
-
-import { KlickTipp } from '@model/KlickTipp'
-
-import { getKlickTippUser } from '@/apis/KlicktippController'
-import { klickTippLogger as logger } from '@/server/logger'
-
-export const klicktippNewsletterStateMiddleware: MiddlewareFn = async (
-  /* eslint-disable-next-line @typescript-eslint/no-unused-vars */
-  { root, args, context, info },
-  next,
-) => {
-  // eslint-disable-next-line n/callback-return
-  const result = await next()
-  let klickTipp = new KlickTipp({ status: 'Unsubscribed' })
-  try {
-    const klickTippUser = await getKlickTippUser(result.email)
-    if (klickTippUser) {
-      klickTipp = new KlickTipp(klickTippUser)
-    }
-  } catch (err) {
-    logger.error(`There is no user for (email='${result.email}') ${err}`)
-  }
-  result.klickTipp = klickTipp
-  return result
-}
diff --git a/database/entity/0067-private_key_in_community_table/Community.ts b/database/entity/0067-private_key_in_community_table/Community.ts
new file mode 100644
index 000000000..dcb55c875
--- /dev/null
+++ b/database/entity/0067-private_key_in_community_table/Community.ts
@@ -0,0 +1,63 @@
+import {
+  BaseEntity,
+  Entity,
+  PrimaryGeneratedColumn,
+  Column,
+  CreateDateColumn,
+  UpdateDateColumn,
+} from 'typeorm'
+
+@Entity('communities')
+export class Community extends BaseEntity {
+  @PrimaryGeneratedColumn('increment', { unsigned: true })
+  id: number
+
+  @Column({ name: 'foreign', type: 'bool', nullable: false, default: true })
+  foreign: boolean
+
+  @Column({ name: 'url', length: 255, nullable: false })
+  url: string
+
+  @Column({ name: 'public_key', type: 'binary', length: 64, nullable: false })
+  publicKey: Buffer
+
+  @Column({ name: 'private_key', type: 'binary', length: 64, nullable: true })
+  privateKey: Buffer | null
+
+  @Column({
+    name: 'community_uuid',
+    type: 'char',
+    length: 36,
+    nullable: true,
+    collation: 'utf8mb4_unicode_ci',
+  })
+  communityUuid: string | null
+
+  @Column({ name: 'authenticated_at', type: 'datetime', nullable: true })
+  authenticatedAt: Date | null
+
+  @Column({ name: 'name', type: 'varchar', length: 40, nullable: true })
+  name: string | null
+
+  @Column({ name: 'description', type: 'varchar', length: 255, nullable: true })
+  description: string | null
+
+  @CreateDateColumn({ name: 'creation_date', type: 'datetime', nullable: true })
+  creationDate: Date | null
+
+  @CreateDateColumn({
+    name: 'created_at',
+    type: 'datetime',
+    default: () => 'CURRENT_TIMESTAMP(3)',
+    nullable: false,
+  })
+  createdAt: Date
+
+  @UpdateDateColumn({
+    name: 'updated_at',
+    type: 'datetime',
+    onUpdate: 'CURRENT_TIMESTAMP(3)',
+    nullable: true,
+  })
+  updatedAt: Date | null
+}
diff --git a/database/entity/Community.ts b/database/entity/Community.ts
index ee08323b6..5df0f70fe 100644
--- a/database/entity/Community.ts
+++ b/database/entity/Community.ts
@@ -1 +1 @@
-export { Community } from './0065-refactor_communities_table/Community'
+export { Community } from './0067-private_key_in_community_table/Community'
diff --git a/database/migrations/0067-private_key_in_community_table.ts b/database/migrations/0067-private_key_in_community_table.ts
new file mode 100644
index 000000000..f36e68b16
--- /dev/null
+++ b/database/migrations/0067-private_key_in_community_table.ts
@@ -0,0 +1,17 @@
+/* MIGRATION TO ADD PRIVATE KEY IN COMMUNITY TABLE
+ *
+ * This migration adds a field for the private key in the community.table
+ */
+
+/* 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 `communities` ADD COLUMN `private_key` binary(64) DEFAULT NULL AFTER `public_key`;',
+  )
+}
+
+export async function downgrade(queryFn: (query: string, values?: any[]) => Promise<Array<any>>) {
+  await queryFn('ALTER TABLE `communities` DROP COLUMN `private_key`;')
+}
diff --git a/dht-node/.eslintignore b/dht-node/.eslintignore
index f6b255e92..1ae86fe5e 100644
--- a/dht-node/.eslintignore
+++ b/dht-node/.eslintignore
@@ -1,3 +1,4 @@
 node_modules
 **/*.min.js
-build
\ No newline at end of file
+build
+coverage
\ No newline at end of file
diff --git a/dht-node/.eslintrc.js b/dht-node/.eslintrc.js
index 65a3bc9f6..8b0d46837 100644
--- a/dht-node/.eslintrc.js
+++ b/dht-node/.eslintrc.js
@@ -13,7 +13,7 @@ module.exports = {
     'plugin:import/recommended',
     'plugin:import/typescript',
     // 'plugin:security/recommended',
-    // 'plugin:@eslint-community/eslint-comments/recommended',
+    'plugin:@eslint-community/eslint-comments/recommended',
   ],
   settings: {
     'import/parsers': {
@@ -101,44 +101,44 @@ module.exports = {
     ],
     'import/prefer-default-export': 'off',
     // n
-    // 'n/handle-callback-err': 'error',
-    // 'n/no-callback-literal': 'error',
-    // 'n/no-exports-assign': 'error',
-    // 'n/no-extraneous-import': 'error',
-    // 'n/no-extraneous-require': 'error',
-    // 'n/no-hide-core-modules': 'error',
-    // 'n/no-missing-import': 'off', // not compatible with typescript
-    // 'n/no-missing-require': 'error',
-    // 'n/no-new-require': 'error',
-    // 'n/no-path-concat': 'error',
-    // 'n/no-process-exit': 'error',
-    // 'n/no-unpublished-bin': 'error',
-    // 'n/no-unpublished-import': 'off', // TODO need to exclude seeds
-    // 'n/no-unpublished-require': 'error',
-    // 'n/no-unsupported-features': ['error', { ignores: ['modules'] }],
-    // 'n/no-unsupported-features/es-builtins': 'error',
-    // 'n/no-unsupported-features/es-syntax': 'error',
-    // 'n/no-unsupported-features/node-builtins': 'error',
-    // 'n/process-exit-as-throw': 'error',
-    // 'n/shebang': 'error',
-    // 'n/callback-return': 'error',
-    // 'n/exports-style': 'error',
-    // 'n/file-extension-in-import': 'off',
-    // 'n/global-require': 'error',
-    // 'n/no-mixed-requires': 'error',
-    // 'n/no-process-env': 'error',
-    // 'n/no-restricted-import': 'error',
-    // 'n/no-restricted-require': 'error',
-    // 'n/no-sync': 'error',
-    // 'n/prefer-global/buffer': 'error',
-    // 'n/prefer-global/console': 'error',
-    // 'n/prefer-global/process': 'error',
-    // 'n/prefer-global/text-decoder': 'error',
-    // 'n/prefer-global/text-encoder': 'error',
-    // 'n/prefer-global/url': 'error',
-    // 'n/prefer-global/url-search-params': 'error',
-    // 'n/prefer-promises/dns': 'error',
-    // 'n/prefer-promises/fs': 'error',
+    'n/handle-callback-err': 'error',
+    'n/no-callback-literal': 'error',
+    'n/no-exports-assign': 'error',
+    'n/no-extraneous-import': 'error',
+    'n/no-extraneous-require': 'error',
+    'n/no-hide-core-modules': 'error',
+    'n/no-missing-import': 'off', // not compatible with typescript
+    'n/no-missing-require': 'error',
+    'n/no-new-require': 'error',
+    'n/no-path-concat': 'error',
+    'n/no-process-exit': 'error',
+    'n/no-unpublished-bin': 'error',
+    'n/no-unpublished-import': 'off', // TODO need to exclude seeds
+    'n/no-unpublished-require': 'error',
+    'n/no-unsupported-features': ['error', { ignores: ['modules'] }],
+    'n/no-unsupported-features/es-builtins': 'error',
+    'n/no-unsupported-features/es-syntax': 'error',
+    'n/no-unsupported-features/node-builtins': 'error',
+    'n/process-exit-as-throw': 'error',
+    'n/shebang': 'error',
+    'n/callback-return': 'error',
+    'n/exports-style': 'error',
+    'n/file-extension-in-import': 'off',
+    'n/global-require': 'error',
+    'n/no-mixed-requires': 'error',
+    'n/no-process-env': 'error',
+    'n/no-restricted-import': 'error',
+    'n/no-restricted-require': 'error',
+    'n/no-sync': 'error',
+    'n/prefer-global/buffer': 'error',
+    'n/prefer-global/console': 'error',
+    'n/prefer-global/process': 'error',
+    'n/prefer-global/text-decoder': 'error',
+    'n/prefer-global/text-encoder': 'error',
+    'n/prefer-global/url': 'error',
+    'n/prefer-global/url-search-params': 'error',
+    'n/prefer-promises/dns': 'error',
+    'n/prefer-promises/fs': 'error',
     // promise
     // 'promise/catch-or-return': 'error',
     // 'promise/no-return-wrap': 'error',
@@ -155,10 +155,10 @@ module.exports = {
     // 'promise/prefer-await-to-callbacks': 'error',
     // 'promise/no-multiple-resolved': 'error',
     // eslint comments
-    // '@eslint-community/eslint-comments/disable-enable-pair': ['error', { allowWholeFile: true }],
-    // '@eslint-community/eslint-comments/no-restricted-disable': 'error',
-    // '@eslint-community/eslint-comments/no-use': 'off',
-    // '@eslint-community/eslint-comments/require-description': 'off',
+    '@eslint-community/eslint-comments/disable-enable-pair': ['error', { allowWholeFile: true }],
+    '@eslint-community/eslint-comments/no-restricted-disable': 'error',
+    '@eslint-community/eslint-comments/no-use': 'off',
+    '@eslint-community/eslint-comments/require-description': 'off',
   },
   overrides: [
     // only for ts files
diff --git a/dht-node/jest.config.js b/dht-node/jest.config.js
index a8f5d1f1d..6540cc68f 100644
--- a/dht-node/jest.config.js
+++ b/dht-node/jest.config.js
@@ -17,10 +17,12 @@ module.exports = {
     '@/(.*)': '<rootDir>/src/$1',
     '@test/(.*)': '<rootDir>/test/$1',
     '@entity/(.*)':
+      // eslint-disable-next-line n/no-process-env
       process.env.NODE_ENV === 'development'
         ? '<rootDir>/../database/entity/$1'
         : '<rootDir>/../database/build/entity/$1',
     '@dbTools/(.*)':
+      // eslint-disable-next-line n/no-process-env
       process.env.NODE_ENV === 'development'
         ? '<rootDir>/../database/src/$1'
         : '<rootDir>/../database/build/src/$1',
diff --git a/dht-node/package.json b/dht-node/package.json
index 0869ba2a4..c06c6e93e 100644
--- a/dht-node/package.json
+++ b/dht-node/package.json
@@ -48,5 +48,8 @@
     "prettier": "^2.8.7",
     "jest": "^27.2.4",
     "ts-jest": "^27.0.5"
+  },
+  "engines": {
+    "node": ">=14"
   }
 }
diff --git a/dht-node/src/config/index.ts b/dht-node/src/config/index.ts
index d901f4910..579be3b80 100644
--- a/dht-node/src/config/index.ts
+++ b/dht-node/src/config/index.ts
@@ -1,10 +1,10 @@
-// ATTENTION: DO NOT PUT ANY SECRETS IN HERE (or the .env)
+/* eslint-disable n/no-process-env */
 import dotenv from 'dotenv'
 
 dotenv.config()
 
 const constants = {
-  DB_VERSION: '0066-x-community-sendcoins-transactions_table',
+  DB_VERSION: '0067-private_key_in_community_table',
   LOG4JS_CONFIG: 'log4js-config.json',
   // default log level on production should be info
   LOG_LEVEL: process.env.LOG_LEVEL || 'info',
diff --git a/dht-node/src/dht_node/index.ts b/dht-node/src/dht_node/index.ts
index c6688d4cb..cb556f8e3 100644
--- a/dht-node/src/dht_node/index.ts
+++ b/dht-node/src/dht_node/index.ts
@@ -222,6 +222,7 @@ async function writeHomeCommunityEntry(keyPair: KeyPair): Promise<void> {
     if (homeCom) {
       // simply update the existing entry, but it MUST keep the ID and UUID because of possible relations
       homeCom.publicKey = keyPair.publicKey
+      homeCom.privateKey = keyPair.secretKey
       homeCom.url = CONFIG.FEDERATION_COMMUNITY_URL + '/api/'
       homeCom.name = CONFIG.COMMUNITY_NAME
       homeCom.description = CONFIG.COMMUNITY_DESCRIPTION
@@ -232,6 +233,7 @@ async function writeHomeCommunityEntry(keyPair: KeyPair): Promise<void> {
       homeCom = new DbCommunity()
       homeCom.foreign = false
       homeCom.publicKey = keyPair.publicKey
+      homeCom.privateKey = keyPair.secretKey
       homeCom.communityUuid = await newCommunityUuid()
       homeCom.url = CONFIG.FEDERATION_COMMUNITY_URL + '/api/'
       homeCom.name = CONFIG.COMMUNITY_NAME
diff --git a/dht-node/src/index.ts b/dht-node/src/index.ts
index 8b262bb71..932a3afb1 100644
--- a/dht-node/src/index.ts
+++ b/dht-node/src/index.ts
@@ -32,5 +32,5 @@ async function main() {
 main().catch((e) => {
   // eslint-disable-next-line no-console
   console.error(e)
-  process.exit(1)
+  throw e
 })
diff --git a/federation/src/config/index.ts b/federation/src/config/index.ts
index 710248472..b44487aa9 100644
--- a/federation/src/config/index.ts
+++ b/federation/src/config/index.ts
@@ -11,7 +11,7 @@ Decimal.set({
 */
 
 const constants = {
-  DB_VERSION: '0066-x-community-sendcoins-transactions_table',
+  DB_VERSION: '0067-private_key_in_community_table',
   // 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/pages/Login.vue b/frontend/src/pages/Login.vue
index 6fd435c2d..6e0a50949 100644
--- a/frontend/src/pages/Login.vue
+++ b/frontend/src/pages/Login.vue
@@ -86,6 +86,7 @@ export default {
       const loader = this.$loading.show({
         container: this.$refs.submitButton,
       })
+      this.$root.$bvToast.hide()
       this.$apollo
         .mutate({
           mutation: login,