diff --git a/admin/src/components/AiChat.vue b/admin/src/components/AiChat.vue
index bdfbef28c..f7cf6b2dd 100644
--- a/admin/src/components/AiChat.vue
+++ b/admin/src/components/AiChat.vue
@@ -29,7 +29,7 @@
                 :title="$t('copy-to-clipboard')"
                 @click="copyToClipboard(message.content)"
               >
-                <IBiClipboard></IBiClipboard>
+                <IBiCopy></IBiCopy>
               </b-button>
             </div>
           </div>
diff --git a/frontend/src/components/Breadcrumb/breadcrumb.vue b/frontend/src/components/Breadcrumb/breadcrumb.vue
index 305b34fe7..7372ecc6e 100644
--- a/frontend/src/components/Breadcrumb/breadcrumb.vue
+++ b/frontend/src/components/Breadcrumb/breadcrumb.vue
@@ -23,4 +23,10 @@ export default {
   margin-bottom: 1rem;
   padding: 0.75rem 1rem;
 }
+
+@media screen and (width <= 450px) {
+  .page-breadcrumb {
+    margin-top: 3rem;
+  }
+}
 </style>
diff --git a/frontend/src/components/Menu/Navbar.spec.js b/frontend/src/components/Menu/Navbar.spec.js
index cc26d2880..150524629 100644
--- a/frontend/src/components/Menu/Navbar.spec.js
+++ b/frontend/src/components/Menu/Navbar.spec.js
@@ -5,6 +5,8 @@ import { createStore } from 'vuex'
 import Navbar from './Navbar.vue'
 import { BImg, BNavbar, BNavbarBrand, BNavbarNav } from 'bootstrap-vue-next'
 import AppAvatar from '@/components/AppAvatar.vue'
+import { createI18n } from 'vue-i18n'
+import CONFIG from '@/config'
 
 // Mock vue-avatar
 vi.mock('vue-avatar', () => ({
@@ -17,6 +19,16 @@ vi.mock('vue-avatar', () => ({
   },
 }))
 
+const i18n = createI18n({
+  legacy: false,
+  locale: 'en',
+  messages: {
+    en: {
+      'copied-to-clipboard': 'copied-to-clipboard',
+    },
+  },
+})
+
 const createVuexStore = (state = {}) =>
   createStore({
     state: () => ({
@@ -24,6 +36,7 @@ const createVuexStore = (state = {}) =>
       lastName: 'User',
       gradidoID: 'current-user-id',
       email: 'test@example.com',
+      username: 'username',
       ...state,
     }),
   })
@@ -41,7 +54,10 @@ describe('Navbar', () => {
     store = createVuexStore(storeState)
     return mount(Navbar, {
       global: {
-        plugins: [store, router],
+        plugins: [store, router, i18n],
+        stubs: {
+          IBiClipboard: true,
+        },
         mocks: {
           $t: (msg) => msg,
         },
@@ -89,7 +105,9 @@ describe('Navbar', () => {
     })
 
     it('has the email address', () => {
-      expect(wrapper.find('div[data-test="navbar-item-email"]').text()).toBe('test@example.com')
+      expect(wrapper.find('div[data-test="navbar-item-gradido-id"]').text()).toBe(
+        `${CONFIG.COMMUNITY_NAME}/username`,
+      )
     })
   })
 })
diff --git a/frontend/src/components/Menu/Navbar.vue b/frontend/src/components/Menu/Navbar.vue
index 958405b45..1bee25e5d 100644
--- a/frontend/src/components/Menu/Navbar.vue
+++ b/frontend/src/components/Menu/Navbar.vue
@@ -3,12 +3,14 @@
     <div class="navbar-element">
       <BNavbar toggleable="lg" class="pe-4">
         <BNavbarBrand>
-          <BImg
-            class="mt-lg--2 mt-3 mb-3 d-none d-lg-block zindex10"
-            :src="logo"
-            width="200"
-            alt="Logo"
-          />
+          <router-link to="/overview">
+            <BImg
+              class="mt-lg--2 mt-3 mb-3 d-none d-lg-block zindex10"
+              :src="logo"
+              width="200"
+              alt="Logo"
+            />
+          </router-link>
           <div v-b-toggle.sidebar-mobile variant="link" class="d-block d-lg-none">
             <span class="navbar-toggler-icon h2"></span>
           </div>
@@ -17,9 +19,9 @@
         <BImg class="sheet-img position-absolute zindex-1" :src="sheet"></BImg>
 
         <BNavbarNav class="ms-auto" right>
-          <router-link to="/settings">
-            <div class="d-flex align-items-center">
-              <div class="me-3">
+          <div class="">
+            <router-link to="/settings" class="d-flex flex-column align-items-end text-end">
+              <div class="ms-auto">
                 <app-avatar
                   class="vue3-avatar"
                   :name="username.username"
@@ -29,12 +31,35 @@
                   :size="61"
                 />
               </div>
-              <div>
-                <div data-test="navbar-item-username">{{ username.username }}</div>
-                <div data-test="navbar-item-email">{{ $store.state.email }}</div>
+              <div v-if="!hasUsername">
+                <div class="mt-3" data-test="navbar-item-username">{{ username.username }}</div>
+                <div class="small mt-1" data-test="navbar-item-gradido-id">{{ gradidoId }}</div>
+              </div>
+            </router-link>
+            <div class="d-flex flex-column align-items-end text-end">
+              <div
+                v-if="hasUsername"
+                class="navbar-like-link mt-3"
+                data-test="navbar-item-username"
+              >
+                {{ username.username }}
+              </div>
+              <div
+                v-if="hasUsername"
+                class="small navbar-like-link pointer mt-1"
+                data-test="navbar-item-gradido-id"
+              >
+                <a
+                  class="copy-clipboard-button"
+                  :title="$t('copy-to-clipboard')"
+                  @click="copyToClipboard(gradidoId)"
+                >
+                  <IBiCopy></IBiCopy>
+                  {{ gradidoId }}
+                </a>
               </div>
             </div>
-          </router-link>
+          </div>
         </BNavbarNav>
       </BNavbar>
       <!-- <div class="alert-box">
@@ -47,11 +72,20 @@
 </template>
 
 <script>
+import CONFIG from '@/config'
+import { useAppToast } from '@/composables/useToast'
+
 export default {
   name: 'Navbar',
   props: {
     balance: { type: Number, required: true },
   },
+  setup() {
+    const toast = useAppToast()
+    return {
+      toast,
+    }
+  },
   data() {
     return {
       logo: '/img/brand/gradido-logo.png',
@@ -65,6 +99,21 @@ export default {
         initials: `${this.$store.state.firstName[0]}${this.$store.state.lastName[0]}`,
       }
     },
+    hasUsername() {
+      return this.$store.state.username && this.$store.state.username.length > 0
+    },
+    gradidoId() {
+      const name = this.$store.state.username
+        ? this.$store.state.username
+        : this.$store.state.gradidoId
+      return `${CONFIG.COMMUNITY_NAME}/${name}`
+    },
+  },
+  methods: {
+    copyToClipboard(content) {
+      navigator.clipboard.writeText(content)
+      this.toast.toastSuccess(this.$t('gradidoid-copied-to-clipboard'))
+    },
   },
 }
 </script>
@@ -83,6 +132,10 @@ export default {
   font-size: 2.25rem;
 }
 
+.navbar-like-link {
+  color: rgba(var(--bs-link-color-rgb));
+}
+
 button.navbar-toggler > span.navbar-toggler-icon {
   background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='30' height='30' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(4, 112, 6, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
 }
diff --git a/frontend/src/components/Overview/CardUserSearch.vue b/frontend/src/components/Overview/CardUserSearch.vue
index fb12310b9..f99950430 100644
--- a/frontend/src/components/Overview/CardUserSearch.vue
+++ b/frontend/src/components/Overview/CardUserSearch.vue
@@ -94,7 +94,8 @@ onResult(({ data }) => {
 onError(() => {
   isUserSearchDisabled.value = true
   if (gmsAllowed.value && gmsUserLocationExists.value) {
-    toastError('authenticateGmsUserSearch failed!')
+    // setting isUserSearchDisabled.value to true will show that GMS is offline, no need to further post to the user
+    // toastError('authenticateGmsUserSearch failed!')
   } else if (gmsAllowed.value && !gmsUserLocationExists.value) {
     // toastError('capture your location first!')
     // eslint-disable-next-line no-console
diff --git a/frontend/src/locales/de.json b/frontend/src/locales/de.json
index f57a9ef5f..e7741f83d 100644
--- a/frontend/src/locales/de.json
+++ b/frontend/src/locales/de.json
@@ -114,6 +114,7 @@
     "thanksYouWith": "dankt dir mit"
   },
   "contributionText": "Beitragstext",
+  "copy-to-clipboard": "In Zwischenablage kopieren",
   "creation": "Schöpfen",
   "decay": {
     "before_startblock_transaction": "Diese Transaktion beinhaltet keine Vergänglichkeit.",
@@ -306,6 +307,7 @@
     "raise": "Erhöhung",
     "recruited-member": "Eingeladenes Mitglied"
   },
+  "gradidoid-copied-to-clipboard": "Gradido ID wurde in die Zwischenablage kopiert.",
   "h": "h",
   "info": "Information",
   "language": "Sprache",
diff --git a/frontend/src/locales/en.json b/frontend/src/locales/en.json
index d127d4119..d0ab23d1f 100644
--- a/frontend/src/locales/en.json
+++ b/frontend/src/locales/en.json
@@ -114,6 +114,7 @@
     "thanksYouWith": "thanks you with"
   },
   "contributionText": "Contribution Text",
+  "copy-to-clipboard": "Copy to clipboard",
   "creation": "Creation",
   "decay": {
     "before_startblock_transaction": "This transaction does not include decay.",
@@ -306,6 +307,7 @@
     "raise": "Increase",
     "recruited-member": "Invited member"
   },
+  "gradidoid-copied-to-clipboard": "Gradido ID copied to clipboard.",
   "h": "h",
   "info": "Information",
   "language": "Language",
diff --git a/frontend/src/locales/es.json b/frontend/src/locales/es.json
index 47027609f..9a0d4283f 100644
--- a/frontend/src/locales/es.json
+++ b/frontend/src/locales/es.json
@@ -101,6 +101,7 @@
     "thanksYouWith": "te agradece con",
     "unique": "(único)"
   },
+  "copy-to-clipboard": "Copiar al portapapeles",
   "decay": {
     "before_startblock_transaction": "Esta transacción no implica disminución en su valor.",
     "calculation_decay": "Cálculo de la disminución gradual del valor",
@@ -255,6 +256,7 @@
     "raise": "Aumento",
     "recruited-member": "Miembro invitado"
   },
+  "gradidoid-copied-to-clipboard": "Gradido ID copiado al portapapeles.",
   "info": "Información",
   "language": "Idioma",
   "link-load": "recargar el último enlace | recargar los últimos {n} enlaces",
diff --git a/frontend/src/locales/fr.json b/frontend/src/locales/fr.json
index 3fa6da270..55bdf4ee3 100644
--- a/frontend/src/locales/fr.json
+++ b/frontend/src/locales/fr.json
@@ -103,6 +103,7 @@
     "unique": "(unique)"
   },
   "contributionText": "Texte de la contribution",
+  "copy-to-clipboard": "Copier dans le presse-papier",
   "creation": "Création",
   "decay": {
     "before_startblock_transaction": "Cette transaction n'est pas péremptoire.",
@@ -262,6 +263,7 @@
     "raise": "Augmentation",
     "recruited-member": "Membre invité"
   },
+  "gradidoid-copied-to-clipboard": "Gradido ID copié dans le presse-papier.",
   "h": "h",
   "info": "Information",
   "language": "Langage",
diff --git a/frontend/src/locales/nl.json b/frontend/src/locales/nl.json
index 4cc86283a..9b3f3d265 100644
--- a/frontend/src/locales/nl.json
+++ b/frontend/src/locales/nl.json
@@ -101,6 +101,7 @@
     "thanksYouWith": "bedankt jou met",
     "unique": "(uniek)"
   },
+  "copy-to-clipboard": "Kopieer naar klembord",
   "decay": {
     "before_startblock_transaction": "Deze transactie heeft geen vergankelijkheid.",
     "calculation_decay": "Berekening van de vergankelijkheid",
@@ -255,6 +256,7 @@
     "raise": "Verhoging",
     "recruited-member": "Uitgenodigd lid"
   },
+  "gradidoid-copied-to-clipboard": "Gradido ID gekopieerd naar klembord.",
   "info": "Informatie",
   "language": "Taal",
   "link-load": "de laatste link herladen | de laatste links herladen",
diff --git a/frontend/vite.config.mjs b/frontend/vite.config.mjs
index 2296f86ba..4a0674b0f 100644
--- a/frontend/vite.config.mjs
+++ b/frontend/vite.config.mjs
@@ -125,7 +125,7 @@ export default defineConfig(async ({ command }) => {
         GRAPHQL_URI: CONFIG.GRAPHQL_URI, // null,
         ADMIN_AUTH_PATH: CONFIG.ADMIN_AUTH_PATH ?? null, // it is the only env without exported default
         ADMIN_AUTH_URL: CONFIG.ADMIN_AUTH_URL, // null,
-        COMMUNITY_NAME: null,
+        COMMUNITY_NAME: CONFIG.COMMUNITY_NAME,
         COMMUNITY_REGISTER_PATH: null,
         COMMUNITY_REGISTER_URL: null,
         COMMUNITY_DESCRIPTION: null,
diff --git a/shared/src/schema/user.schema.ts b/shared/src/schema/user.schema.ts
index 494ee03b6..4e15ca9fa 100644
--- a/shared/src/schema/user.schema.ts
+++ b/shared/src/schema/user.schema.ts
@@ -22,6 +22,8 @@ const RESERVED_ALIAS = [
   'user',
   'usr',
   'var',
+  'reserved',
+  'undefined'
 ]
 
 export const aliasSchema = string()