diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8dc91f2fa..d52ba760c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,8 +4,72 @@ All notable changes to this project will be documented in this file. Dates are d
 
 Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
 
+#### [1.20.0](https://github.com/gradido/gradido/compare/1.19.1...1.20.0)
+
+- fix(backend): no await for emails [`#2918`](https://github.com/gradido/gradido/pull/2918)
+- fix(frontend): no receiver on send by link [`#2933`](https://github.com/gradido/gradido/pull/2933)
+- fix(admin): pagination set currentPage by switch tabs [`#2902`](https://github.com/gradido/gradido/pull/2902)
+- fix(federation): correct export of the community url [`#2931`](https://github.com/gradido/gradido/pull/2931)
+- fix(frontend): displayed decay duration [`#2927`](https://github.com/gradido/gradido/pull/2927)
+- fix(frontend): community tab navigation [`#2928`](https://github.com/gradido/gradido/pull/2928)
+- fix(frontend): moderator id missing [`#2925`](https://github.com/gradido/gradido/pull/2925)
+- fix(frontend): reset button send coins [`#2924`](https://github.com/gradido/gradido/pull/2924)
+- refactor(backend): eslint plugin import export style [`#2908`](https://github.com/gradido/gradido/pull/2908)
+- fix(backend): vscode intellisense fixes [`#2919`](https://github.com/gradido/gradido/pull/2919)
+- refactor(backend): eslint import-no-cycle enabled [`#2905`](https://github.com/gradido/gradido/pull/2905)
+- docs(backend): alias rules and conventions [`#2881`](https://github.com/gradido/gradido/pull/2881)
+- refactor(backend): get transaction list [`#2923`](https://github.com/gradido/gradido/pull/2923)
+- feat(backend): previous balance in transaction [`#2914`](https://github.com/gradido/gradido/pull/2914)
+- refactor(backend): eslint update packages [`#2829`](https://github.com/gradido/gradido/pull/2829)
+- feat(frontend): send coins via gradido ID [`#2837`](https://github.com/gradido/gradido/pull/2837)
+- refactor(database): cleanup database [`#2808`](https://github.com/gradido/gradido/pull/2808)
+- refactor(backend): eslint plugin n + fixes [`#2828`](https://github.com/gradido/gradido/pull/2828)
+- feat(frontend): add link to download QR-Code [`#2889`](https://github.com/gradido/gradido/pull/2889)
+- fix(other): delete node_modules and /tmp/yarn--* on start.sh [`#2904`](https://github.com/gradido/gradido/pull/2904)
+- fix(admin): add confirmation modal for user role change and user (un)deletion [`#2880`](https://github.com/gradido/gradido/pull/2880)
+- fix(admin): admin open contribution edit button [`#2811`](https://github.com/gradido/gradido/pull/2811)
+- fix(backend): import order [`#2911`](https://github.com/gradido/gradido/pull/2911)
+- fix(other): use default values for undefined .env database values [`#2910`](https://github.com/gradido/gradido/pull/2910)
+- refactor(backend): eslint plugin import + fixes [`#2827`](https://github.com/gradido/gradido/pull/2827)
+- refactor(backend): missing event tests [`#2900`](https://github.com/gradido/gradido/pull/2900)
+- refactor(backend): unify event names [`#2799`](https://github.com/gradido/gradido/pull/2799)
+- feat(backend): events for users [`#2797`](https://github.com/gradido/gradido/pull/2797)
+- fix(backend): subscription get's email and languages from user [`#2885`](https://github.com/gradido/gradido/pull/2885)
+- refactor(backend): eslint-plugin-jest + fixes [`#2816`](https://github.com/gradido/gradido/pull/2816)
+- fix(frontend): fr change ` and ´ to ' [`#2888`](https://github.com/gradido/gradido/pull/2888)
+- feat(backend): events for transaction links [`#2792`](https://github.com/gradido/gradido/pull/2792)
+- feat(backend): events for contributions [`#2784`](https://github.com/gradido/gradido/pull/2784)
+- feat(backend): events for contribution messages [`#2783`](https://github.com/gradido/gradido/pull/2783)
+- refactor(backend): upgrade coverage to 85% [`#2884`](https://github.com/gradido/gradido/pull/2884)
+- refactor(backend): add klicktipp-api library [`#2883`](https://github.com/gradido/gradido/pull/2883)
+- feat(backend): events for contribution links [`#2780`](https://github.com/gradido/gradido/pull/2780)
+- refactor(backend): separate events in own files [`#2777`](https://github.com/gradido/gradido/pull/2777)
+- refactor(backend): rename `evenProtocolType` to `eventType` [`#2776`](https://github.com/gradido/gradido/pull/2776)
+- refactor(other): add yarn installAll on gradido folder [`#2703`](https://github.com/gradido/gradido/pull/2703)
+- docs(federation): describe the technical federation architecture [`#2716`](https://github.com/gradido/gradido/pull/2716)
+- refactor(admin): admin list contributions for creation transaction list query [`#2791`](https://github.com/gradido/gradido/pull/2791)
+- refactor(workflow): separate workflow with file filter for nginx testing [`#2871`](https://github.com/gradido/gradido/pull/2871)
+- feat(backend): read communities data from database [`#2807`](https://github.com/gradido/gradido/pull/2807)
+- feat(federation): implement a graphql endpoint to answer getpublickey-request [`#2651`](https://github.com/gradido/gradido/pull/2651)
+- refactor(workflow): add file filters to dht node and federation workflows [`#2838`](https://github.com/gradido/gradido/pull/2838)
+- refactor(workflow): separate test workflow for end-to-end tests [`#2836`](https://github.com/gradido/gradido/pull/2836)
+- refactor(workflow): separate test workflow for frontend [`#2835`](https://github.com/gradido/gradido/pull/2835)
+- feat(federation): add federation modul to deployment scripts [`#2733`](https://github.com/gradido/gradido/pull/2733)
+- refactor(database): event table [`#2720`](https://github.com/gradido/gradido/pull/2720)
+- refactor(workflow): separate test workflow with file change filters for admin interface [`#2734`](https://github.com/gradido/gradido/pull/2734)
+- fix(admin): fix translation in menu (english) [`#2814`](https://github.com/gradido/gradido/pull/2814)
+- refactor(workflow): configure jest to directly check coverage to schlanken the test workflows [`#2790`](https://github.com/gradido/gradido/pull/2790)
+- fix(database): removed commands from package.json not working [`#2805`](https://github.com/gradido/gradido/pull/2805)
+- fix(other): repair UserProfile.ChangePassword.feature scenario [`#2782`](https://github.com/gradido/gradido/pull/2782)
+- feat(backend): test double redeem transaction links [`#2788`](https://github.com/gradido/gradido/pull/2788)
+- feat(backend): admin open creations query [`#2813`](https://github.com/gradido/gradido/pull/2813)
+- refactor(backend): eslint-plugin-type-graphql + fixes [`#2745`](https://github.com/gradido/gradido/pull/2745)
+
 #### [1.19.1](https://github.com/gradido/gradido/compare/1.19.0...1.19.1)
 
+> 10 March 2023
+
+- chore(other): upgrade version to 1.19.1 [`#2812`](https://github.com/gradido/gradido/pull/2812)
 - fix(frontend): admin question clickable [`#2810`](https://github.com/gradido/gradido/pull/2810)
 - refactor(frontend): change b-img to b-icon send [`#2809`](https://github.com/gradido/gradido/pull/2809)
 - fix(admin): update openCreation in case of tab open. [`#2806`](https://github.com/gradido/gradido/pull/2806)
diff --git a/admin/package.json b/admin/package.json
index 3406c326a..04c9a60e8 100644
--- a/admin/package.json
+++ b/admin/package.json
@@ -3,7 +3,7 @@
   "description": "Administraion Interface for Gradido",
   "main": "index.js",
   "author": "Moriz Wahl",
-  "version": "1.19.1",
+  "version": "1.20.0",
   "license": "Apache-2.0",
   "private": false,
   "scripts": {
@@ -33,6 +33,7 @@
     "bootstrap": "4.3.1",
     "bootstrap-vue": "^2.21.2",
     "core-js": "^3.6.5",
+    "date-fns": "^2.29.3",
     "dotenv-webpack": "^7.0.3",
     "express": "^4.17.1",
     "graphql": "^15.6.1",
diff --git a/admin/src/components/Fedaration/FederationVisualizeItem.spec.js b/admin/src/components/Fedaration/FederationVisualizeItem.spec.js
new file mode 100644
index 000000000..6058cc6f4
--- /dev/null
+++ b/admin/src/components/Fedaration/FederationVisualizeItem.spec.js
@@ -0,0 +1,183 @@
+import { mount } from '@vue/test-utils'
+import FederationVisualizeItem from './FederationVisualizeItem.vue'
+
+const localVue = global.localVue
+const today = new Date()
+const createdDate = new Date()
+createdDate.setDate(createdDate.getDate() - 3)
+
+let propsData = {
+  item: {
+    id: 7590,
+    foreign: false,
+    publicKey: 'eaf6a426b24fd54f8fbae11c17700fc595080ca25159579c63d38dbc64284ba7',
+    url: 'http://localhost/api/2_0',
+    lastAnnouncedAt: createdDate,
+    verifiedAt: today,
+    lastErrorAt: null,
+    createdAt: createdDate,
+    updatedAt: null,
+  },
+}
+
+const mocks = {
+  $i18n: {
+    locale: 'en',
+  },
+}
+
+describe('FederationVisualizeItem', () => {
+  let wrapper
+
+  const Wrapper = () => {
+    return mount(FederationVisualizeItem, { localVue, mocks, propsData })
+  }
+
+  describe('mount', () => {
+    beforeEach(() => {
+      wrapper = Wrapper()
+    })
+
+    it('renders the component', () => {
+      expect(wrapper.find('div.federation-visualize-item').exists()).toBe(true)
+    })
+
+    describe('rendering item properties', () => {
+      it('has the url', () => {
+        expect(wrapper.find('.row > div:nth-child(2) > div').text()).toBe(
+          'http://localhost/api/2_0',
+        )
+      })
+
+      it('has the public key', () => {
+        expect(wrapper.find('.row > div:nth-child(2) > small').text()).toContain(
+          'eaf6a426b24fd54f8fbae11c17700fc595080ca25159579c63d38dbc64284ba7'.substring(0, 26),
+        )
+      })
+
+      describe('verified item', () => {
+        it('has the check icon', () => {
+          expect(wrapper.find('svg.bi-check').exists()).toBe(true)
+        })
+
+        it('has the text variant "success"', () => {
+          expect(wrapper.find('.text-success').exists()).toBe(true)
+        })
+      })
+
+      describe('not verified item', () => {
+        beforeEach(() => {
+          propsData = {
+            item: {
+              id: 7590,
+              foreign: false,
+              publicKey: 'eaf6a426b24fd54f8fbae11c17700fc595080ca25159579c63d38dbc64284ba7',
+              url: 'http://localhost/api/2_0',
+              lastAnnouncedAt: createdDate,
+              verifiedAt: null,
+              lastErrorAt: null,
+              createdAt: createdDate,
+              updatedAt: null,
+            },
+          }
+          wrapper = Wrapper()
+        })
+
+        it('has the x-circle icon', () => {
+          expect(wrapper.find('svg.bi-x-circle').exists()).toBe(true)
+        })
+
+        it('has the text variant "danger"', () => {
+          expect(wrapper.find('.text-danger').exists()).toBe(true)
+        })
+      })
+
+      // describe('with different locales (de, en, fr, es, nl)', () => {
+      describe('lastAnnouncedAt', () => {
+        it('computes the time string for different locales (de, en, fr, es, nl)', () => {
+          wrapper.vm.$i18n.locale = 'de'
+          wrapper = Wrapper()
+          expect(wrapper.vm.lastAnnouncedAt).toBe('vor 3 Tagen')
+
+          wrapper.vm.$i18n.locale = 'fr'
+          wrapper = Wrapper()
+          expect(wrapper.vm.lastAnnouncedAt).toBe('il y a 3 jours')
+
+          wrapper.vm.$i18n.locale = 'es'
+          wrapper = Wrapper()
+          expect(wrapper.vm.lastAnnouncedAt).toBe('hace 3 días')
+
+          wrapper.vm.$i18n.locale = 'nl'
+          wrapper = Wrapper()
+          expect(wrapper.vm.lastAnnouncedAt).toBe('3 dagen geleden')
+        })
+
+        describe('lastAnnouncedAt == null', () => {
+          beforeEach(() => {
+            propsData = {
+              item: {
+                id: 7590,
+                foreign: false,
+                publicKey: 'eaf6a426b24fd54f8fbae11c17700fc595080ca25159579c63d38dbc64284ba7',
+                url: 'http://localhost/api/2_0',
+                lastAnnouncedAt: null,
+                verifiedAt: null,
+                lastErrorAt: null,
+                createdAt: createdDate,
+                updatedAt: null,
+              },
+            }
+            wrapper = Wrapper()
+          })
+
+          it('computes empty string', async () => {
+            expect(wrapper.vm.lastAnnouncedAt).toBe('')
+          })
+        })
+      })
+
+      describe('createdAt', () => {
+        it('computes the time string for different locales (de, en, fr, es, nl)', () => {
+          wrapper.vm.$i18n.locale = 'de'
+          wrapper = Wrapper()
+          expect(wrapper.vm.createdAt).toBe('vor 3 Tagen')
+
+          wrapper.vm.$i18n.locale = 'fr'
+          wrapper = Wrapper()
+          expect(wrapper.vm.createdAt).toBe('il y a 3 jours')
+
+          wrapper.vm.$i18n.locale = 'es'
+          wrapper = Wrapper()
+          expect(wrapper.vm.createdAt).toBe('hace 3 días')
+
+          wrapper.vm.$i18n.locale = 'nl'
+          wrapper = Wrapper()
+          expect(wrapper.vm.createdAt).toBe('3 dagen geleden')
+        })
+
+        describe('createdAt == null', () => {
+          beforeEach(() => {
+            propsData = {
+              item: {
+                id: 7590,
+                foreign: false,
+                publicKey: 'eaf6a426b24fd54f8fbae11c17700fc595080ca25159579c63d38dbc64284ba7',
+                url: 'http://localhost/api/2_0',
+                lastAnnouncedAt: createdDate,
+                verifiedAt: null,
+                lastErrorAt: null,
+                createdAt: null,
+                updatedAt: null,
+              },
+            }
+            wrapper = Wrapper()
+          })
+
+          it('computes empty string', async () => {
+            expect(wrapper.vm.createdAt).toBe('')
+          })
+        })
+      })
+    })
+  })
+})
diff --git a/admin/src/components/Fedaration/FederationVisualizeItem.vue b/admin/src/components/Fedaration/FederationVisualizeItem.vue
new file mode 100644
index 000000000..faace7da1
--- /dev/null
+++ b/admin/src/components/Fedaration/FederationVisualizeItem.vue
@@ -0,0 +1,63 @@
+<template>
+  <div class="federation-visualize-item">
+    <b-row>
+      <b-col cols="1"><b-icon :icon="icon" :variant="variant" class="mr-4"></b-icon></b-col>
+      <b-col>
+        <div>{{ item.url }}</div>
+        <small>{{ `${item.publicKey.substring(0, 26)}…` }}</small>
+      </b-col>
+      <b-col cols="2">{{ lastAnnouncedAt }}</b-col>
+      <b-col cols="2">{{ createdAt }}</b-col>
+    </b-row>
+  </div>
+</template>
+<script>
+import { formatDistanceToNow } from 'date-fns'
+import { de, en, fr, es, nl } from 'date-fns/locale'
+
+const locales = { en, de, es, fr, nl }
+
+export default {
+  name: 'FederationVisualizeItem',
+  props: {
+    item: { type: Object },
+  },
+  data() {
+    return {
+      formatDistanceToNow,
+      locale: this.$i18n.locale,
+    }
+  },
+  computed: {
+    verified() {
+      return new Date(this.item.verifiedAt) >= new Date(this.item.lastAnnouncedAt)
+    },
+    icon() {
+      return this.verified ? 'check' : 'x-circle'
+    },
+    variant() {
+      return this.verified ? 'success' : 'danger'
+    },
+    lastAnnouncedAt() {
+      if (this.item.lastAnnouncedAt) {
+        return formatDistanceToNow(new Date(this.item.lastAnnouncedAt), {
+          includeSecond: true,
+          addSuffix: true,
+          locale: locales[this.locale],
+        })
+      }
+      return ''
+    },
+    createdAt() {
+      if (this.item.createdAt) {
+        return formatDistanceToNow(new Date(this.item.createdAt), {
+          includeSecond: true,
+          addSuffix: true,
+          locale: locales[this.locale],
+        })
+      }
+      return ''
+    },
+  },
+}
+</script>
diff --git a/admin/src/components/NavBar.spec.js b/admin/src/components/NavBar.spec.js
index 1927f258c..6a4a69959 100644
--- a/admin/src/components/NavBar.spec.js
+++ b/admin/src/components/NavBar.spec.js
@@ -62,8 +62,12 @@ describe('NavBar', () => {
       )
     })
 
+    it('has a link to /federation', () => {
+      expect(wrapper.findAll('.nav-item').at(3).find('a').attributes('href')).toBe('/federation')
+    })
+
     it('has a link to /statistic', () => {
-      expect(wrapper.findAll('.nav-item').at(3).find('a').attributes('href')).toBe('/statistic')
+      expect(wrapper.findAll('.nav-item').at(4).find('a').attributes('href')).toBe('/statistic')
     })
   })
 
@@ -72,7 +76,7 @@ describe('NavBar', () => {
     beforeEach(async () => {
       delete window.location
       window.location = ''
-      await wrapper.findAll('.nav-item').at(4).find('a').trigger('click')
+      await wrapper.findAll('.nav-item').at(5).find('a').trigger('click')
     })
 
     afterEach(() => {
@@ -97,7 +101,7 @@ describe('NavBar', () => {
       window.location = {
         assign: windowLocationMock,
       }
-      await wrapper.findAll('.nav-item').at(5).find('a').trigger('click')
+      await wrapper.findAll('.nav-item').at(6).find('a').trigger('click')
     })
 
     afterEach(() => {
diff --git a/admin/src/components/NavBar.vue b/admin/src/components/NavBar.vue
index dae4bba91..2efeda048 100644
--- a/admin/src/components/NavBar.vue
+++ b/admin/src/components/NavBar.vue
@@ -1,6 +1,6 @@
 <template>
   <div class="component-nabvar">
-    <b-navbar toggleable="md" type="dark" variant="success">
+    <b-navbar toggleable="lg" type="dark" class="bg-dark">
       <b-navbar-brand class="mb-2" to="/">
         <img src="img/brand/gradido_logo_w.png" class="navbar-brand-img pl-2" alt="..." />
       </b-navbar-brand>
@@ -19,6 +19,9 @@
           <b-nav-item to="/contribution-links">
             {{ $t('navbar.automaticContributions') }}
           </b-nav-item>
+          <b-nav-item to="/federation">
+            {{ $t('navbar.instances') }}
+          </b-nav-item>
           <b-nav-item to="/statistic">{{ $t('navbar.statistic') }}</b-nav-item>
           <b-nav-item @click="wallet">{{ $t('navbar.my-account') }}</b-nav-item>
           <b-nav-item @click="logout">{{ $t('navbar.logout') }}</b-nav-item>
diff --git a/admin/src/graphql/getCommunities.js b/admin/src/graphql/getCommunities.js
new file mode 100644
index 000000000..ccf894f6b
--- /dev/null
+++ b/admin/src/graphql/getCommunities.js
@@ -0,0 +1,17 @@
+import gql from 'graphql-tag'
+
+export const getCommunities = gql`
+  query {
+    getCommunities {
+      id
+      foreign
+      publicKey
+      url
+      lastAnnouncedAt
+      verifiedAt
+      lastErrorAt
+      createdAt
+      updatedAt
+    }
+  }
+`
diff --git a/admin/src/locales/de.json b/admin/src/locales/de.json
index f98dc90f3..e7fb80062 100644
--- a/admin/src/locales/de.json
+++ b/admin/src/locales/de.json
@@ -68,6 +68,13 @@
   "error": "Fehler",
   "expired": "abgelaufen",
   "e_mail": "E-Mail",
+  "federation": {
+    "createdAt": "Erstellt am",
+    "gradidoInstances": "Gradido Instanzen",
+    "lastAnnouncedAt": "letzte Bekanntgabe",
+    "url": "Url",
+    "verified": "Verifiziert"
+  },
   "firstname": "Vorname",
   "footer": {
     "app_version": "App version {version}",
@@ -105,6 +112,7 @@
   "name": "Name",
   "navbar": {
     "automaticContributions": "Automatische Beiträge",
+    "instances": "Instanzen",
     "logout": "Abmelden",
     "my-account": "Mein Konto",
     "statistic": "Statistik",
diff --git a/admin/src/locales/en.json b/admin/src/locales/en.json
index 358c62a15..8ed53cd4b 100644
--- a/admin/src/locales/en.json
+++ b/admin/src/locales/en.json
@@ -68,6 +68,13 @@
   "error": "Error",
   "expired": "expired",
   "e_mail": "E-mail",
+  "federation": {
+    "createdAt": "Created At ",
+    "gradidoInstances": "Gradido Instances",
+    "lastAnnouncedAt": "Last Announced",
+    "url": "Url",
+    "verified": "Verified"
+  },
   "firstname": "Firstname",
   "footer": {
     "app_version": "App version {version}",
@@ -105,6 +112,7 @@
   "name": "Name",
   "navbar": {
     "automaticContributions": "Automatic Contributions",
+    "instances": "Instances",
     "logout": "Logout",
     "my-account": "My Account",
     "statistic": "Statistic",
diff --git a/admin/src/pages/CreationConfirm.spec.js b/admin/src/pages/CreationConfirm.spec.js
index c9d9661c2..091d7a011 100644
--- a/admin/src/pages/CreationConfirm.spec.js
+++ b/admin/src/pages/CreationConfirm.spec.js
@@ -39,7 +39,7 @@ const mocks = {
 const defaultData = () => {
   return {
     adminListContributions: {
-      contributionCount: 2,
+      contributionCount: 30,
       contributionList: [
         {
           id: 1,
@@ -407,6 +407,44 @@ describe('CreationConfirm', () => {
               statusFilter: ['IN_PROGRESS', 'PENDING', 'CONFIRMED', 'DENIED', 'DELETED'],
             })
           })
+
+          describe('change pagination', () => {
+            it('has pagination buttons', () => {
+              expect(wrapper.findComponent({ name: 'BPagination' }).exists()).toBe(true)
+            })
+
+            describe('next page', () => {
+              beforeEach(() => {
+                jest.clearAllMocks()
+                wrapper.findComponent({ name: 'BPagination' }).vm.$emit('input', 2)
+              })
+
+              it('calls the API again', () => {
+                expect(adminListContributionsMock).toBeCalledWith({
+                  currentPage: 2,
+                  order: 'DESC',
+                  pageSize: 25,
+                  statusFilter: ['IN_PROGRESS', 'PENDING', 'CONFIRMED', 'DENIED', 'DELETED'],
+                })
+              })
+
+              describe('click tab "open" again', () => {
+                beforeEach(async () => {
+                  jest.clearAllMocks()
+                  await wrapper.find('a[data-test="open"]').trigger('click')
+                })
+
+                it('refetches contributions with proper filter and current page = 1', () => {
+                  expect(adminListContributionsMock).toBeCalledWith({
+                    currentPage: 1,
+                    order: 'DESC',
+                    pageSize: 25,
+                    statusFilter: ['IN_PROGRESS', 'PENDING'],
+                  })
+                })
+              })
+            })
+          })
         })
       })
     })
diff --git a/admin/src/pages/CreationConfirm.vue b/admin/src/pages/CreationConfirm.vue
index 3c1a1e67e..53ffbd66e 100644
--- a/admin/src/pages/CreationConfirm.vue
+++ b/admin/src/pages/CreationConfirm.vue
@@ -116,6 +116,11 @@ export default {
       pageSize: 25,
     }
   },
+  watch: {
+    tabIndex() {
+      this.currentPage = 1
+    },
+  },
   methods: {
     deleteCreation() {
       this.$apollo
diff --git a/admin/src/pages/FederationVisualize.spec.js b/admin/src/pages/FederationVisualize.spec.js
new file mode 100644
index 000000000..67d6dffde
--- /dev/null
+++ b/admin/src/pages/FederationVisualize.spec.js
@@ -0,0 +1,125 @@
+import { mount } from '@vue/test-utils'
+import FederationVisualize from './FederationVisualize'
+import VueApollo from 'vue-apollo'
+import { createMockClient } from 'mock-apollo-client'
+import { getCommunities } from '@/graphql/getCommunities'
+import { toastErrorSpy } from '../../test/testSetup'
+
+const mockClient = createMockClient()
+const apolloProvider = new VueApollo({
+  defaultClient: mockClient,
+})
+
+const localVue = global.localVue
+
+localVue.use(VueApollo)
+
+const mocks = {
+  $t: (key) => key,
+  $d: jest.fn((d) => d),
+  $i18n: {
+    locale: 'en',
+    t: (key) => key,
+  },
+}
+
+const defaultData = () => {
+  return {
+    getCommunities: [
+      {
+        id: 1776,
+        foreign: true,
+        publicKey: 'c7ca9e742421bb167b8666cb78f90b40c665b8f35db8f001988d44dbb3ce8527',
+        url: 'http://localhost/api/2_0',
+        lastAnnouncedAt: '2023-04-07T12:27:24.037Z',
+        verifiedAt: null,
+        lastErrorAt: null,
+        createdAt: '2023-04-07T11:45:06.254Z',
+        updatedAt: null,
+        __typename: 'Community',
+      },
+      {
+        id: 1775,
+        foreign: true,
+        publicKey: 'c7ca9e742421bb167b8666cb78f90b40c665b8f35db8f001988d44dbb3ce8527',
+        url: 'http://localhost/api/1_1',
+        lastAnnouncedAt: '2023-04-07T12:27:24.023Z',
+        verifiedAt: null,
+        lastErrorAt: null,
+        createdAt: '2023-04-07T11:45:06.234Z',
+        updatedAt: null,
+        __typename: 'Community',
+      },
+      {
+        id: 1774,
+        foreign: true,
+        publicKey: 'c7ca9e742421bb167b8666cb78f90b40c665b8f35db8f001988d44dbb3ce8527',
+        url: 'http://localhost/api/1_0',
+        lastAnnouncedAt: '2023-04-07T12:27:24.009Z',
+        verifiedAt: null,
+        lastErrorAt: null,
+        createdAt: '2023-04-07T11:45:06.218Z',
+        updatedAt: null,
+        __typename: 'Community',
+      },
+    ],
+  }
+}
+
+describe('FederationVisualize', () => {
+  let wrapper
+  const getCommunitiesMock = jest.fn()
+
+  mockClient.setRequestHandler(
+    getCommunities,
+    getCommunitiesMock
+      .mockRejectedValueOnce({ message: 'Ouch!' })
+      .mockResolvedValue({ data: defaultData() }),
+  )
+
+  const Wrapper = () => {
+    return mount(FederationVisualize, { localVue, mocks, apolloProvider })
+  }
+
+  describe('mount', () => {
+    beforeEach(() => {
+      jest.clearAllMocks()
+      wrapper = Wrapper()
+    })
+
+    describe('server error', () => {
+      it('toast error', () => {
+        expect(toastErrorSpy).toBeCalledWith('Ouch!')
+      })
+    })
+
+    describe('sever success', () => {
+      it('sends query to Apollo when created', () => {
+        expect(getCommunitiesMock).toBeCalled()
+      })
+
+      it('has a DIV element with the class "federation-visualize"', () => {
+        expect(wrapper.find('div.federation-visualize').exists()).toBe(true)
+      })
+
+      it('has a refresh button', () => {
+        expect(wrapper.find('[data-test="federation-communities-refresh-btn"]').exists()).toBe(true)
+      })
+
+      it('renders 3 community list items', () => {
+        expect(wrapper.findAll('.list-group-item').length).toBe(3)
+      })
+
+      describe('cklicking the refresh button', () => {
+        beforeEach(async () => {
+          jest.clearAllMocks()
+          await wrapper.find('[data-test="federation-communities-refresh-btn"]').trigger('click')
+        })
+
+        it('calls the API', async () => {
+          expect(getCommunitiesMock).toBeCalled()
+        })
+      })
+    })
+  })
+})
diff --git a/admin/src/pages/FederationVisualize.vue b/admin/src/pages/FederationVisualize.vue
new file mode 100644
index 000000000..383cf064d
--- /dev/null
+++ b/admin/src/pages/FederationVisualize.vue
@@ -0,0 +1,69 @@
+<template>
+  <div class="federation-visualize">
+    <div class="d-flex justify-content-between align-items-center mb-3">
+      <span class="h2">{{ $t('federation.gradidoInstances') }}</span>
+      <b-button>
+        <b-icon
+          icon="arrow-clockwise"
+          font-scale="2"
+          :animation="animation"
+          @click="$apollo.queries.GetCommunities.refresh()"
+          data-test="federation-communities-refresh-btn"
+        ></b-icon>
+      </b-button>
+    </div>
+    <b-list-group>
+      <b-row>
+        <b-col cols="1" class="ml-1">{{ $t('federation.verified') }}</b-col>
+        <b-col class="ml-3">{{ $t('federation.url') }}</b-col>
+        <b-col cols="2">{{ $t('federation.lastAnnouncedAt') }}</b-col>
+        <b-col cols="2">{{ $t('federation.createdAt') }}</b-col>
+      </b-row>
+      <b-list-group-item
+        v-for="item in communities"
+        :key="item.id"
+        :variant="!item.foreign ? 'primary' : 'warning'"
+      >
+        <federation-visualize-item :item="item" />
+      </b-list-group-item>
+    </b-list-group>
+  </div>
+</template>
+<script>
+import { getCommunities } from '@/graphql/getCommunities'
+
+import FederationVisualizeItem from '../components/Fedaration/FederationVisualizeItem.vue'
+
+export default {
+  name: 'FederationVisualize',
+  components: {
+    FederationVisualizeItem,
+  },
+  data() {
+    return {
+      oldPublicKey: '',
+      communities: [],
+      icon: '',
+    }
+  },
+  computed: {
+    animation() {
+      return this.$apollo.queries.GetCommunities.loading ? 'spin' : ''
+    },
+  },
+  apollo: {
+    GetCommunities: {
+      fetchPolicy: 'network-only',
+      query() {
+        return getCommunities
+      },
+      update({ getCommunities }) {
+        this.communities = getCommunities
+      },
+      error({ message }) {
+        this.toastError(message)
+      },
+    },
+  },
+}
+</script>
diff --git a/admin/src/router/router.test.js b/admin/src/router/router.test.js
index ad1ad1245..886d4eeab 100644
--- a/admin/src/router/router.test.js
+++ b/admin/src/router/router.test.js
@@ -45,7 +45,7 @@ describe('router', () => {
 
     describe('routes', () => {
       it('has nine routes defined', () => {
-        expect(routes).toHaveLength(8)
+        expect(routes).toHaveLength(9)
       })
 
       it('has "/overview" as default', async () => {
@@ -88,6 +88,13 @@ describe('router', () => {
         })
       })
 
+      describe('federation', () => {
+        it('loads the "FederationVisualize" page', async () => {
+          const component = await routes.find((r) => r.path === '/federation').component()
+          expect(component.default.name).toBe('FederationVisualize')
+        })
+      })
+
       describe('not found page', () => {
         it('renders the "NotFound" component', async () => {
           const component = await routes.find((r) => r.path === '*').component()
diff --git a/admin/src/router/routes.js b/admin/src/router/routes.js
index b01466cfc..d26fdfd96 100644
--- a/admin/src/router/routes.js
+++ b/admin/src/router/routes.js
@@ -31,6 +31,10 @@ const routes = [
     path: '*',
     component: () => import('@/components/NotFoundPage.vue'),
   },
+  {
+    path: '/federation',
+    component: () => import('@/pages/FederationVisualize.vue'),
+  },
 ]
 
 export default routes
diff --git a/admin/yarn.lock b/admin/yarn.lock
index ee4d635a6..c270b80bf 100644
--- a/admin/yarn.lock
+++ b/admin/yarn.lock
@@ -5038,6 +5038,11 @@ data-urls@^2.0.0:
     whatwg-mimetype "^2.3.0"
     whatwg-url "^8.0.0"
 
+date-fns@^2.29.3:
+  version "2.29.3"
+  resolved "https://registry.yarnpkg.com/date-fns/-/date-fns-2.29.3.tgz#27402d2fc67eb442b511b70bbdf98e6411cd68a8"
+  integrity sha512-dDCnyH2WnnKusqvZZ6+jA1O51Ibt8ZMRNkDZdyAyK4YfbDwa/cEmuztzG5pk6hqlp9aSBPYcjOlktquahGwGeA==
+
 de-indent@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/de-indent/-/de-indent-1.0.2.tgz#b2038e846dc33baa5796128d0804b455b8c1e21d"
diff --git a/backend/package.json b/backend/package.json
index 1457f97e5..c5e0df3c5 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -1,6 +1,6 @@
 {
   "name": "gradido-backend",
-  "version": "1.19.1",
+  "version": "1.20.0",
   "description": "Gradido unified backend providing an API-Service for Gradido Transactions",
   "main": "src/index.ts",
   "repository": "https://github.com/gradido/gradido/backend",
diff --git a/backend/src/config/index.ts b/backend/src/config/index.ts
index 32e116e6c..490462d4e 100644
--- a/backend/src/config/index.ts
+++ b/backend/src/config/index.ts
@@ -76,7 +76,7 @@ const email = {
   EMAIL_SENDER: process.env.EMAIL_SENDER || 'info@gradido.net',
   EMAIL_PASSWORD: process.env.EMAIL_PASSWORD || '',
   EMAIL_SMTP_URL: process.env.EMAIL_SMTP_URL || 'mailserver',
-  EMAIL_SMTP_PORT: process.env.EMAIL_SMTP_PORT || '1025',
+  EMAIL_SMTP_PORT: Number(process.env.EMAIL_SMTP_PORT) || 1025,
   // eslint-disable-next-line no-unneeded-ternary
   EMAIL_TLS: process.env.EMAIL_TLS === 'false' ? false : true,
   EMAIL_LINK_VERIFICATION:
diff --git a/backend/src/emails/sendEmailTranslated.test.ts b/backend/src/emails/sendEmailTranslated.test.ts
index 66efb29a9..0e04db732 100644
--- a/backend/src/emails/sendEmailTranslated.test.ts
+++ b/backend/src/emails/sendEmailTranslated.test.ts
@@ -10,7 +10,7 @@ import { sendEmailTranslated } from './sendEmailTranslated'
 
 CONFIG.EMAIL = false
 CONFIG.EMAIL_SMTP_URL = 'EMAIL_SMTP_URL'
-CONFIG.EMAIL_SMTP_PORT = '1234'
+CONFIG.EMAIL_SMTP_PORT = 1234
 CONFIG.EMAIL_USERNAME = 'user'
 CONFIG.EMAIL_PASSWORD = 'pwd'
 CONFIG.EMAIL_TLS = true
@@ -31,7 +31,7 @@ jest.mock('nodemailer', () => {
 })
 
 describe('sendEmailTranslated', () => {
-  let result: Record<string, unknown> | null
+  let result: Record<string, unknown> | boolean | null
 
   describe('config email is false', () => {
     beforeEach(async () => {
diff --git a/backend/src/emails/sendEmailTranslated.ts b/backend/src/emails/sendEmailTranslated.ts
index abf582b5c..879d17656 100644
--- a/backend/src/emails/sendEmailTranslated.ts
+++ b/backend/src/emails/sendEmailTranslated.ts
@@ -1,4 +1,5 @@
-/* eslint-disable @typescript-eslint/restrict-template-expressions */
+/* eslint-disable @typescript-eslint/no-unsafe-assignment */
+/* eslint-disable @typescript-eslint/no-unsafe-return */
 import path from 'path'
 
 import Email from 'email-templates'
@@ -6,44 +7,46 @@ import i18n from 'i18n'
 import { createTransport } from 'nodemailer'
 
 import { CONFIG } from '@/config'
-import { LogError } from '@/server/LogError'
 import { backendLogger as logger } from '@/server/logger'
 
-export const sendEmailTranslated = async (params: {
+export const sendEmailTranslated = async ({
+  receiver,
+  template,
+  locals,
+}: {
   receiver: {
     to: string
     cc?: string
   }
   template: string
   locals: Record<string, unknown>
-}): Promise<Record<string, unknown> | null> => {
-  let resultSend: Record<string, unknown> | null = null
-
+}): Promise<Record<string, unknown> | boolean | null> => {
   // TODO: test the calling order of 'i18n.setLocale' for example: language of logging 'en', language of email receiver 'es', reset language of current user 'de'
 
-  // because language of receiver can differ from language of current user who triggers the sending
-  const rememberLocaleToRestore = i18n.getLocale()
-
-  i18n.setLocale('en') // for logging
-  logger.info(
-    `send Email: language=${params.locals.locale} to=${params.receiver.to}` +
-      (params.receiver.cc ? `, cc=${params.receiver.cc}` : '') +
-      `, subject=${i18n.__('emails.' + params.template + '.subject')}`,
-  )
-
   if (!CONFIG.EMAIL) {
     logger.info(`Emails are disabled via config...`)
     return null
   }
+
+  // because language of receiver can differ from language of current user who triggers the sending
+  // const rememberLocaleToRestore = i18n.getLocale()
+
+  i18n.setLocale('en') // for logging
+  logger.info(
+    `send Email: language=${locals.locale as string} to=${receiver.to}` +
+      (receiver.cc ? `, cc=${receiver.cc}` : '') +
+      `, subject=${i18n.__('emails.' + template + '.subject')}`,
+  )
+
   if (CONFIG.EMAIL_TEST_MODUS) {
     logger.info(
-      `Testmodus=ON: change receiver from ${params.receiver.to} to ${CONFIG.EMAIL_TEST_RECEIVER}`,
+      `Testmodus=ON: change receiver from ${receiver.to} to ${CONFIG.EMAIL_TEST_RECEIVER}`,
     )
-    params.receiver.to = CONFIG.EMAIL_TEST_RECEIVER
+    receiver.to = CONFIG.EMAIL_TEST_RECEIVER
   }
   const transport = createTransport({
     host: CONFIG.EMAIL_SMTP_URL,
-    port: Number(CONFIG.EMAIL_SMTP_PORT),
+    port: CONFIG.EMAIL_SMTP_PORT,
     secure: false, // true for 465, false for other ports
     requireTLS: CONFIG.EMAIL_TLS,
     auth: {
@@ -52,7 +55,7 @@ export const sendEmailTranslated = async (params: {
     },
   })
 
-  i18n.setLocale(params.locals.locale as string) // for email
+  i18n.setLocale(locals.locale as string) // for email
 
   // TESTING: see 'README.md'
   const email = new Email({
@@ -64,23 +67,16 @@ export const sendEmailTranslated = async (params: {
     // i18n, // is only needed if you don't install i18n
   })
 
-  // ATTENTION: await is needed, because otherwise on send the email gets send in the language of the current user, because below the language gets reset
-  await email
+  const resultSend = await email
     .send({
-      template: path.join(__dirname, 'templates', params.template),
-      message: params.receiver,
-      locals: params.locals, // the 'locale' in here seems not to be used by 'email-template', because it doesn't work if the language isn't set before by 'i18n.setLocale'
-    })
-    .then((result: Record<string, unknown>) => {
-      resultSend = result
-      logger.info('Send email successfully !!!')
-      logger.info('Result: ', result)
+      template: path.join(__dirname, 'templates', template),
+      message: receiver,
+      locals, // the 'locale' in here seems not to be used by 'email-template', because it doesn't work if the language isn't set before by 'i18n.setLocale'
     })
     .catch((error: unknown) => {
-      throw new LogError('Error sending notification email', error)
+      logger.error('Error sending notification email', error)
+      return false
     })
 
-  i18n.setLocale(rememberLocaleToRestore)
-
   return resultSend
 }
diff --git a/backend/src/emails/sendEmailVariants.ts b/backend/src/emails/sendEmailVariants.ts
index 2f9d906a1..ff7709380 100644
--- a/backend/src/emails/sendEmailVariants.ts
+++ b/backend/src/emails/sendEmailVariants.ts
@@ -13,7 +13,7 @@ export const sendAddedContributionMessageEmail = (data: {
   senderFirstName: string
   senderLastName: string
   contributionMemo: string
-}): Promise<Record<string, unknown> | null> => {
+}): Promise<Record<string, unknown> | boolean | null> => {
   return sendEmailTranslated({
     receiver: {
       to: `${data.firstName} ${data.lastName} <${data.email}>`,
@@ -40,7 +40,7 @@ export const sendAccountActivationEmail = (data: {
   language: string
   activationLink: string
   timeDurationObject: Record<string, unknown>
-}): Promise<Record<string, unknown> | null> => {
+}): Promise<Record<string, unknown> | boolean | null> => {
   return sendEmailTranslated({
     receiver: { to: `${data.firstName} ${data.lastName} <${data.email}>` },
     template: 'accountActivation',
@@ -62,7 +62,7 @@ export const sendAccountMultiRegistrationEmail = (data: {
   lastName: string
   email: string
   language: string
-}): Promise<Record<string, unknown> | null> => {
+}): Promise<Record<string, unknown> | boolean | null> => {
   return sendEmailTranslated({
     receiver: { to: `${data.firstName} ${data.lastName} <${data.email}>` },
     template: 'accountMultiRegistration',
@@ -86,7 +86,7 @@ export const sendContributionConfirmedEmail = (data: {
   senderLastName: string
   contributionMemo: string
   contributionAmount: Decimal
-}): Promise<Record<string, unknown> | null> => {
+}): Promise<Record<string, unknown> | boolean | null> => {
   return sendEmailTranslated({
     receiver: { to: `${data.firstName} ${data.lastName} <${data.email}>` },
     template: 'contributionConfirmed',
@@ -113,7 +113,7 @@ export const sendContributionDeletedEmail = (data: {
   senderFirstName: string
   senderLastName: string
   contributionMemo: string
-}): Promise<Record<string, unknown> | null> => {
+}): Promise<Record<string, unknown> | boolean | null> => {
   return sendEmailTranslated({
     receiver: { to: `${data.firstName} ${data.lastName} <${data.email}>` },
     template: 'contributionDeleted',
@@ -139,7 +139,7 @@ export const sendContributionDeniedEmail = (data: {
   senderFirstName: string
   senderLastName: string
   contributionMemo: string
-}): Promise<Record<string, unknown> | null> => {
+}): Promise<Record<string, unknown> | boolean | null> => {
   return sendEmailTranslated({
     receiver: { to: `${data.firstName} ${data.lastName} <${data.email}>` },
     template: 'contributionDenied',
@@ -164,7 +164,7 @@ export const sendResetPasswordEmail = (data: {
   language: string
   resetLink: string
   timeDurationObject: Record<string, unknown>
-}): Promise<Record<string, unknown> | null> => {
+}): Promise<Record<string, unknown> | boolean | null> => {
   return sendEmailTranslated({
     receiver: { to: `${data.firstName} ${data.lastName} <${data.email}>` },
     template: 'resetPassword',
@@ -191,7 +191,7 @@ export const sendTransactionLinkRedeemedEmail = (data: {
   senderEmail: string
   transactionMemo: string
   transactionAmount: Decimal
-}): Promise<Record<string, unknown> | null> => {
+}): Promise<Record<string, unknown> | boolean | null> => {
   return sendEmailTranslated({
     receiver: { to: `${data.firstName} ${data.lastName} <${data.email}>` },
     template: 'transactionLinkRedeemed',
@@ -220,7 +220,7 @@ export const sendTransactionReceivedEmail = (data: {
   senderLastName: string
   senderEmail: string
   transactionAmount: Decimal
-}): Promise<Record<string, unknown> | null> => {
+}): Promise<Record<string, unknown> | boolean | null> => {
   return sendEmailTranslated({
     receiver: { to: `${data.firstName} ${data.lastName} <${data.email}>` },
     template: 'transactionReceived',
diff --git a/backend/src/graphql/model/Community.ts b/backend/src/graphql/model/Community.ts
index 22b2b1fc6..d79d40034 100644
--- a/backend/src/graphql/model/Community.ts
+++ b/backend/src/graphql/model/Community.ts
@@ -8,9 +8,7 @@ export class Community {
     this.foreign = dbCom.foreign
     this.publicKey = dbCom.publicKey.toString()
     this.url =
-      (dbCom.endPoint.endsWith('/') ? dbCom.endPoint : dbCom.endPoint + '/') +
-      'api/' +
-      dbCom.apiVersion
+      (dbCom.endPoint.endsWith('/') ? dbCom.endPoint : dbCom.endPoint + '/') + dbCom.apiVersion
     this.lastAnnouncedAt = dbCom.lastAnnouncedAt
     this.verifiedAt = dbCom.verifiedAt
     this.lastErrorAt = dbCom.lastErrorAt
diff --git a/backend/src/graphql/resolver/CommunityResolver.test.ts b/backend/src/graphql/resolver/CommunityResolver.test.ts
index 5b4b26cad..26f4a3390 100644
--- a/backend/src/graphql/resolver/CommunityResolver.test.ts
+++ b/backend/src/graphql/resolver/CommunityResolver.test.ts
@@ -36,6 +36,7 @@ describe('CommunityResolver', () => {
     let foreignCom1: DbCommunity
     let foreignCom2: DbCommunity
     let foreignCom3: DbCommunity
+
     describe('with empty list', () => {
       it('returns no community entry', async () => {
         // const result: Community[] = await query({ query: getCommunities })
@@ -56,7 +57,7 @@ describe('CommunityResolver', () => {
         homeCom1.foreign = false
         homeCom1.publicKey = Buffer.from('publicKey-HomeCommunity')
         homeCom1.apiVersion = '1_0'
-        homeCom1.endPoint = 'http://localhost'
+        homeCom1.endPoint = 'http://localhost/api'
         homeCom1.createdAt = new Date()
         await DbCommunity.insert(homeCom1)
 
@@ -64,7 +65,7 @@ describe('CommunityResolver', () => {
         homeCom2.foreign = false
         homeCom2.publicKey = Buffer.from('publicKey-HomeCommunity')
         homeCom2.apiVersion = '1_1'
-        homeCom2.endPoint = 'http://localhost'
+        homeCom2.endPoint = 'http://localhost/api'
         homeCom2.createdAt = new Date()
         await DbCommunity.insert(homeCom2)
 
@@ -72,24 +73,24 @@ describe('CommunityResolver', () => {
         homeCom3.foreign = false
         homeCom3.publicKey = Buffer.from('publicKey-HomeCommunity')
         homeCom3.apiVersion = '2_0'
-        homeCom3.endPoint = 'http://localhost'
+        homeCom3.endPoint = 'http://localhost/api'
         homeCom3.createdAt = new Date()
         await DbCommunity.insert(homeCom3)
       })
 
-      it('returns three home-community entries', async () => {
+      it('returns 3 home-community entries', async () => {
         await expect(query({ query: getCommunities })).resolves.toMatchObject({
           data: {
             getCommunities: [
               {
-                id: 1,
-                foreign: homeCom1.foreign,
+                id: 3,
+                foreign: homeCom3.foreign,
                 publicKey: expect.stringMatching('publicKey-HomeCommunity'),
-                url: expect.stringMatching('http://localhost/api/1_0'),
+                url: expect.stringMatching('http://localhost/api/2_0'),
                 lastAnnouncedAt: null,
                 verifiedAt: null,
                 lastErrorAt: null,
-                createdAt: homeCom1.createdAt.toISOString(),
+                createdAt: homeCom3.createdAt.toISOString(),
                 updatedAt: null,
               },
               {
@@ -104,14 +105,14 @@ describe('CommunityResolver', () => {
                 updatedAt: null,
               },
               {
-                id: 3,
-                foreign: homeCom3.foreign,
+                id: 1,
+                foreign: homeCom1.foreign,
                 publicKey: expect.stringMatching('publicKey-HomeCommunity'),
-                url: expect.stringMatching('http://localhost/api/2_0'),
+                url: expect.stringMatching('http://localhost/api/1_0'),
                 lastAnnouncedAt: null,
                 verifiedAt: null,
                 lastErrorAt: null,
-                createdAt: homeCom3.createdAt.toISOString(),
+                createdAt: homeCom1.createdAt.toISOString(),
                 updatedAt: null,
               },
             ],
@@ -128,7 +129,7 @@ describe('CommunityResolver', () => {
         foreignCom1.foreign = true
         foreignCom1.publicKey = Buffer.from('publicKey-ForeignCommunity')
         foreignCom1.apiVersion = '1_0'
-        foreignCom1.endPoint = 'http://remotehost'
+        foreignCom1.endPoint = 'http://remotehost/api'
         foreignCom1.createdAt = new Date()
         await DbCommunity.insert(foreignCom1)
 
@@ -136,7 +137,7 @@ describe('CommunityResolver', () => {
         foreignCom2.foreign = true
         foreignCom2.publicKey = Buffer.from('publicKey-ForeignCommunity')
         foreignCom2.apiVersion = '1_1'
-        foreignCom2.endPoint = 'http://remotehost'
+        foreignCom2.endPoint = 'http://remotehost/api'
         foreignCom2.createdAt = new Date()
         await DbCommunity.insert(foreignCom2)
 
@@ -144,24 +145,24 @@ describe('CommunityResolver', () => {
         foreignCom3.foreign = true
         foreignCom3.publicKey = Buffer.from('publicKey-ForeignCommunity')
         foreignCom3.apiVersion = '1_2'
-        foreignCom3.endPoint = 'http://remotehost'
+        foreignCom3.endPoint = 'http://remotehost/api'
         foreignCom3.createdAt = new Date()
         await DbCommunity.insert(foreignCom3)
       })
 
-      it('returns 3x home and 3x foreign-community entries', async () => {
+      it('returns 3 home community and 3 foreign community entries', async () => {
         await expect(query({ query: getCommunities })).resolves.toMatchObject({
           data: {
             getCommunities: [
               {
-                id: 1,
-                foreign: homeCom1.foreign,
+                id: 3,
+                foreign: homeCom3.foreign,
                 publicKey: expect.stringMatching('publicKey-HomeCommunity'),
-                url: expect.stringMatching('http://localhost/api/1_0'),
+                url: expect.stringMatching('http://localhost/api/2_0'),
                 lastAnnouncedAt: null,
                 verifiedAt: null,
                 lastErrorAt: null,
-                createdAt: homeCom1.createdAt.toISOString(),
+                createdAt: homeCom3.createdAt.toISOString(),
                 updatedAt: null,
               },
               {
@@ -176,25 +177,25 @@ describe('CommunityResolver', () => {
                 updatedAt: null,
               },
               {
-                id: 3,
-                foreign: homeCom3.foreign,
+                id: 1,
+                foreign: homeCom1.foreign,
                 publicKey: expect.stringMatching('publicKey-HomeCommunity'),
-                url: expect.stringMatching('http://localhost/api/2_0'),
+                url: expect.stringMatching('http://localhost/api/1_0'),
                 lastAnnouncedAt: null,
                 verifiedAt: null,
                 lastErrorAt: null,
-                createdAt: homeCom3.createdAt.toISOString(),
+                createdAt: homeCom1.createdAt.toISOString(),
                 updatedAt: null,
               },
               {
-                id: 4,
-                foreign: foreignCom1.foreign,
+                id: 6,
+                foreign: foreignCom3.foreign,
                 publicKey: expect.stringMatching('publicKey-ForeignCommunity'),
-                url: expect.stringMatching('http://remotehost/api/1_0'),
+                url: expect.stringMatching('http://remotehost/api/1_2'),
                 lastAnnouncedAt: null,
                 verifiedAt: null,
                 lastErrorAt: null,
-                createdAt: foreignCom1.createdAt.toISOString(),
+                createdAt: foreignCom3.createdAt.toISOString(),
                 updatedAt: null,
               },
               {
@@ -209,14 +210,14 @@ describe('CommunityResolver', () => {
                 updatedAt: null,
               },
               {
-                id: 6,
-                foreign: foreignCom3.foreign,
+                id: 4,
+                foreign: foreignCom1.foreign,
                 publicKey: expect.stringMatching('publicKey-ForeignCommunity'),
-                url: expect.stringMatching('http://remotehost/api/1_2'),
+                url: expect.stringMatching('http://remotehost/api/1_0'),
                 lastAnnouncedAt: null,
                 verifiedAt: null,
                 lastErrorAt: null,
-                createdAt: foreignCom3.createdAt.toISOString(),
+                createdAt: foreignCom1.createdAt.toISOString(),
                 updatedAt: null,
               },
             ],
diff --git a/backend/src/graphql/resolver/CommunityResolver.ts b/backend/src/graphql/resolver/CommunityResolver.ts
index 86e55ad1f..19a499a9b 100644
--- a/backend/src/graphql/resolver/CommunityResolver.ts
+++ b/backend/src/graphql/resolver/CommunityResolver.ts
@@ -11,7 +11,11 @@ export class CommunityResolver {
   @Query(() => [Community])
   async getCommunities(): Promise<Community[]> {
     const dbCommunities: DbCommunity[] = await DbCommunity.find({
-      order: { foreign: 'ASC', publicKey: 'ASC', apiVersion: 'ASC' },
+      order: {
+        foreign: 'ASC',
+        createdAt: 'DESC',
+        lastAnnouncedAt: 'DESC',
+      },
     })
     return dbCommunities.map((dbCom: DbCommunity) => new Community(dbCom))
   }
diff --git a/backend/src/graphql/resolver/ContributionMessageResolver.ts b/backend/src/graphql/resolver/ContributionMessageResolver.ts
index 236132f4d..b7fd37787 100644
--- a/backend/src/graphql/resolver/ContributionMessageResolver.ts
+++ b/backend/src/graphql/resolver/ContributionMessageResolver.ts
@@ -146,7 +146,7 @@ export class ContributionMessageResolver {
         await queryRunner.manager.update(DbContribution, { id: contributionId }, contribution)
       }
 
-      await sendAddedContributionMessageEmail({
+      void sendAddedContributionMessageEmail({
         firstName: contribution.user.firstName,
         lastName: contribution.user.lastName,
         email: contribution.user.emailContact.email,
diff --git a/backend/src/graphql/resolver/TransactionResolver.ts b/backend/src/graphql/resolver/TransactionResolver.ts
index f290ca861..65aa29435 100644
--- a/backend/src/graphql/resolver/TransactionResolver.ts
+++ b/backend/src/graphql/resolver/TransactionResolver.ts
@@ -158,7 +158,7 @@ export const executeTransaction = async (
     } finally {
       await queryRunner.release()
     }
-    await sendTransactionReceivedEmail({
+    void sendTransactionReceivedEmail({
       firstName: recipient.firstName,
       lastName: recipient.lastName,
       email: recipient.emailContact.email,
@@ -169,7 +169,7 @@ export const executeTransaction = async (
       transactionAmount: amount,
     })
     if (transactionLink) {
-      await sendTransactionLinkRedeemedEmail({
+      void sendTransactionLinkRedeemedEmail({
         firstName: sender.firstName,
         lastName: sender.lastName,
         email: sender.emailContact.email,
diff --git a/backend/src/graphql/resolver/UserResolver.ts b/backend/src/graphql/resolver/UserResolver.ts
index 35e00a5ec..60b4403af 100644
--- a/backend/src/graphql/resolver/UserResolver.ts
+++ b/backend/src/graphql/resolver/UserResolver.ts
@@ -245,7 +245,7 @@ export class UserResolver {
         user.publisherId = publisherId
         logger.debug('partly faked user', user)
 
-        const emailSent = await sendAccountMultiRegistrationEmail({
+        void sendAccountMultiRegistrationEmail({
           firstName: foundUser.firstName, // this is the real name of the email owner, but just "firstName" would be the name of the new registrant which shall not be passed to the outside
           lastName: foundUser.lastName, // this is the real name of the email owner, but just "lastName" would be the name of the new registrant which shall not be passed to the outside
           email,
@@ -258,9 +258,6 @@ export class UserResolver {
         )
         /* uncomment this, when you need the activation link on the console */
         // In case EMails are disabled log the activation link for the user
-        if (!emailSent) {
-          logger.debug(`Email not send!`)
-        }
         logger.info('createUser() faked and send multi registration mail...')
 
         return user
@@ -325,8 +322,7 @@ export class UserResolver {
         emailContact.emailVerificationCode.toString(),
       ).replace(/{code}/g, redeemCode ? '/' + redeemCode : '')
 
-      // eslint-disable-next-line @typescript-eslint/no-unused-vars
-      const emailSent = await sendAccountActivationEmail({
+      void sendAccountActivationEmail({
         firstName,
         lastName,
         email,
@@ -338,10 +334,6 @@ export class UserResolver {
 
       await EVENT_EMAIL_CONFIRMATION(dbUser)
 
-      if (!emailSent) {
-        logger.debug(`Account confirmation link: ${activationLink}`)
-      }
-
       await queryRunner.commitTransaction()
       logger.addContext('user', dbUser.id)
     } catch (e) {
@@ -392,8 +384,8 @@ export class UserResolver {
     })
 
     logger.info(`optInCode for ${email}=${user.emailContact}`)
-    // eslint-disable-next-line @typescript-eslint/no-unused-vars
-    const emailSent = await sendResetPasswordEmail({
+
+    void sendResetPasswordEmail({
       firstName: user.firstName,
       lastName: user.lastName,
       email,
@@ -402,13 +394,6 @@ export class UserResolver {
       timeDurationObject: getTimeDurationObject(CONFIG.EMAIL_CODE_VALID_TIME),
     })
 
-    /*  uncomment this, when you need the activation link on the console */
-    // In case EMails are disabled log the activation link for the user
-    if (!emailSent) {
-      logger.debug(
-        `Reset password link: ${activationLink(user.emailContact.emailVerificationCode)}`,
-      )
-    }
     logger.info(`forgotPassword(${email}) successful...`)
     await EVENT_EMAIL_FORGOT_PASSWORD(user)
 
@@ -804,7 +789,7 @@ export class UserResolver {
     await user.emailContact.save()
 
     // eslint-disable-next-line @typescript-eslint/no-unused-vars
-    const emailSent = await sendAccountActivationEmail({
+    void sendAccountActivationEmail({
       firstName: user.firstName,
       lastName: user.lastName,
       email,
@@ -813,10 +798,6 @@ export class UserResolver {
       timeDurationObject: getTimeDurationObject(CONFIG.EMAIL_CODE_VALID_TIME),
     })
 
-    // In case EMails are disabled log the activation link for the user
-    if (!emailSent) {
-      logger.info(`Account confirmation link: ${activationLink}`)
-    }
     await EVENT_EMAIL_ADMIN_CONFIRMATION(user, getUser(context))
 
     return true
diff --git a/database/package.json b/database/package.json
index 6dc8acf8c..23e358364 100644
--- a/database/package.json
+++ b/database/package.json
@@ -1,6 +1,6 @@
 {
   "name": "gradido-database",
-  "version": "1.19.1",
+  "version": "1.20.0",
   "description": "Gradido Database Tool to execute database migrations",
   "main": "src/index.ts",
   "repository": "https://github.com/gradido/gradido/database",
diff --git a/deployment/bare_metal/.env.dist b/deployment/bare_metal/.env.dist
index da745d705..f20a8c2d1 100644
--- a/deployment/bare_metal/.env.dist
+++ b/deployment/bare_metal/.env.dist
@@ -58,7 +58,8 @@ WEBHOOK_ELOPAGE_SECRET=secret
 
 # Federation
 FEDERATION_DHT_CONFIG_VERSION=v2.2023-02-07
-# if you set the value of FEDERATION_DHT_TOPIC, the DHT hyperswarm will start to announce and listen on an hash created from this topic
+# if you set the value of FEDERATION_DHT_TOPIC, the DHT hyperswarm will start to announce and listen 
+# on an hash created from this topic
 # FEDERATION_DHT_TOPIC=GRADIDO_HUB
 # FEDERATION_DHT_SEED=64ebcb0e3ad547848fef4197c6e2332f
 FEDERATION_COMMUNITY_URL=http://stage1.gradido.net
diff --git a/dht-node/.env.template b/dht-node/.env.template
index 243bfc60f..efe6158a6 100644
--- a/dht-node/.env.template
+++ b/dht-node/.env.template
@@ -9,6 +9,9 @@ DB_DATABASE=gradido_community
 TYPEORM_LOGGING_RELATIVE_PATH=$TYPEORM_LOGGING_RELATIVE_PATH
 
 # Federation
+FEDERATION_DHT_CONFIG_VERSION=$FEDERATION_DHT_CONFIG_VERSION
+# if you set the value of FEDERATION_DHT_TOPIC, the DHT hyperswarm will start to announce and listen 
+# on an hash created from this topic
 FEDERATION_DHT_TOPIC=$FEDERATION_DHT_TOPIC
 FEDERATION_DHT_SEED=$FEDERATION_DHT_SEED
 FEDERATION_COMMUNITY_URL=$FEDERATION_COMMUNITY_URL
diff --git a/dht-node/package.json b/dht-node/package.json
index 15426e606..1f8ba4505 100644
--- a/dht-node/package.json
+++ b/dht-node/package.json
@@ -1,6 +1,6 @@
 {
   "name": "gradido-dht-node",
-  "version": "1.0.0",
+  "version": "1.20.0",
   "description": "Gradido dht-node module",
   "main": "src/index.ts",
   "repository": "https://github.com/gradido/gradido/",
diff --git a/e2e-tests/yarn.lock b/e2e-tests/yarn.lock
index 20956c5d0..1fffb6870 100644
--- a/e2e-tests/yarn.lock
+++ b/e2e-tests/yarn.lock
@@ -2194,9 +2194,9 @@ crypto-browserify@^3.0.0:
     randomfill "^1.0.3"
 
 cypress@^12.7.0:
-  version "12.9.0"
-  resolved "https://registry.yarnpkg.com/cypress/-/cypress-12.9.0.tgz#e6ab43cf329fd7c821ef7645517649d72ccf0a12"
-  integrity sha512-Ofe09LbHKgSqX89Iy1xen2WvpgbvNxDzsWx3mgU1mfILouELeXYGwIib3ItCwoRrRifoQwcBFmY54Vs0zw7QCg==
+  version "12.8.1"
+  resolved "https://registry.yarnpkg.com/cypress/-/cypress-12.8.1.tgz#0c6e67f34554d553138697aaf349b637d80004eb"
+  integrity sha512-lIFbKdaSYAOarNLHNFa2aPZu6YSF+8UY4VRXMxJrFUnk6RvfG0AWsZ7/qle/aIz30TNUD4aOihz2ZgS4vuQVSA==
   dependencies:
     "@cypress/request" "^2.88.10"
     "@cypress/xvfb" "^1.2.4"
diff --git a/federation/.env.template b/federation/.env.template
index 5713a7f3f..295c3c480 100644
--- a/federation/.env.template
+++ b/federation/.env.template
@@ -13,3 +13,6 @@ DB_DATABASE=gradido_community
 
 # Federation
 FEDERATION_COMMUNITY_URL=$FEDERATION_COMMUNITY_URL
+FEDERATION_CONFIG_VERSION=$FEDERATION_CONFIG_VERSION
+# comma separated list of api-versions, which cause starting several federation modules
+FEDERATION_COMMUNITY_APIS=$FEDERATION_COMMUNITY_APIS
\ No newline at end of file
diff --git a/federation/package.json b/federation/package.json
index e7e067435..3173e77ab 100644
--- a/federation/package.json
+++ b/federation/package.json
@@ -1,6 +1,6 @@
 {
   "name": "gradido-federation",
-  "version": "1.0.0",
+  "version": "1.20.0",
   "description": "Gradido federation module providing Gradido-Hub-Federation and versioned API for inter community communication",
   "main": "src/index.ts",
   "repository": "https://github.com/gradido/gradido/federation",
@@ -45,14 +45,16 @@
     "eslint-plugin-prettier": "^3.4.0",
     "eslint-plugin-promise": "^5.1.0",
     "jest": "27.2.4",
+    "nodemon": "^2.0.7",
+    "prettier": "^2.3.1",
     "ts-jest": "27.0.5",
     "ts-node": "^10.9.1",
     "tsconfig-paths": "^4.1.1",
-    "nodemon": "^2.0.7",
-    "prettier": "^2.3.1",
     "typescript": "^4.3.4"
   },
   "nodemonConfig": {
-    "ignore": ["**/*.test.ts"]
+    "ignore": [
+      "**/*.test.ts"
+    ]
   }
 }
diff --git a/frontend/package.json b/frontend/package.json
index 812735e3e..8515ca209 100755
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -1,6 +1,6 @@
 {
   "name": "bootstrap-vue-gradido-wallet",
-  "version": "1.19.1",
+  "version": "1.20.0",
   "private": true,
   "scripts": {
     "start": "node run/server.js",
diff --git a/frontend/src/components/GddSend/TransactionForm.vue b/frontend/src/components/GddSend/TransactionForm.vue
index fae2e044a..e887c47e6 100644
--- a/frontend/src/components/GddSend/TransactionForm.vue
+++ b/frontend/src/components/GddSend/TransactionForm.vue
@@ -49,8 +49,8 @@
               <b-row>
                 <b-col>
                   <b-row>
-                    <b-col cols="12">
-                      <div v-if="radioSelected === sendTypes.send && !gradidoID">
+                    <b-col cols="12" v-if="radioSelected === sendTypes.send">
+                      <div v-if="!gradidoID">
                         <input-email
                           :name="$t('form.recipient')"
                           :label="$t('form.recipient')"
@@ -60,7 +60,7 @@
                           @onValidation="onValidation"
                         />
                       </div>
-                      <div v-else-if="gradidoID" class="mb-4">
+                      <div v-else class="mb-4">
                         <b-row>
                           <b-col>{{ $t('form.recipient') }}</b-col>
                         </b-row>
diff --git a/package.json b/package.json
index c91c63532..7845d722b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "gradido",
-  "version": "1.19.1",
+  "version": "1.20.0",
   "description": "Gradido",
   "main": "index.js",
   "repository": "git@github.com:gradido/gradido.git",