diff --git a/src/main.py b/src/main.py
index 6e52519..97fc1e3 100644
--- a/src/main.py
+++ b/src/main.py
@@ -226,9 +226,14 @@ def handle_post_to_nostr(
     Handles the action of posting the encrypted password index to Nostr.
     """
     try:
-        success = password_manager.sync_vault(alt_summary=alt_summary)
-        if success:
-            print(colored("\N{WHITE HEAVY CHECK MARK} Sync complete.", "green"))
+        event_id = password_manager.sync_vault(alt_summary=alt_summary)
+        if event_id:
+            print(
+                colored(
+                    f"\N{WHITE HEAVY CHECK MARK} Sync complete. Event ID: {event_id}",
+                    "green",
+                )
+            )
             logging.info("Encrypted index posted to Nostr successfully.")
         else:
             print(colored("\N{CROSS MARK} Sync failed…", "red"))
diff --git a/src/nostr/client.py b/src/nostr/client.py
index c2aee6e..20fd2f3 100644
--- a/src/nostr/client.py
+++ b/src/nostr/client.py
@@ -142,7 +142,7 @@ class NostrClient:
         encrypted_json: bytes,
         to_pubkey: str | None = None,
         alt_summary: str | None = None,
-    ) -> bool:
+    ) -> str | None:
         """Builds and publishes a Kind 1 text note or direct message.
 
         Parameters
@@ -177,12 +177,12 @@ class NostrClient:
                 else str(event_output)
             )
             logger.info(f"Successfully published event with ID: {event_id_hex}")
-            return True
+            return event_id_hex
 
         except Exception as e:
             self.last_error = str(e)
             logger.error(f"Failed to publish JSON to Nostr: {e}")
-            return False
+            return None
 
     def publish_event(self, event):
         """Publish a prepared event to the configured relays."""
@@ -242,7 +242,7 @@ class NostrClient:
 
     async def publish_snapshot(
         self, encrypted_bytes: bytes, limit: int = 50_000
-    ) -> Manifest:
+    ) -> tuple[Manifest, str]:
         """Publish a compressed snapshot split into chunks.
 
         Parameters
@@ -276,10 +276,11 @@ class NostrClient:
             .build(self.keys.public_key())
             .sign_with_keys(self.keys)
         )
-        await self.client.send_event(manifest_event)
+        result = await self.client.send_event(manifest_event)
+        manifest_id = result.id.to_hex() if hasattr(result, "id") else str(result)
         self.current_manifest = manifest
         self._delta_events = []
-        return manifest
+        return manifest, manifest_id
 
     async def fetch_latest_snapshot(self) -> Tuple[Manifest, list[bytes]] | None:
         """Retrieve the latest manifest and all snapshot chunks."""
diff --git a/src/password_manager/manager.py b/src/password_manager/manager.py
index a09fa57..21cfd22 100644
--- a/src/password_manager/manager.py
+++ b/src/password_manager/manager.py
@@ -1129,26 +1129,26 @@ class PasswordManager:
             # Re-raise the exception to inform the calling function of the failure
             raise
 
-    def sync_vault(self, alt_summary: str | None = None) -> bool:
+    def sync_vault(self, alt_summary: str | None = None) -> str | None:
         """Publish the current vault contents to Nostr."""
         try:
             encrypted = self.get_encrypted_data()
             if not encrypted:
-                return False
+                return None
             pub_snap = getattr(self.nostr_client, "publish_snapshot", None)
             if callable(pub_snap):
                 if asyncio.iscoroutinefunction(pub_snap):
-                    asyncio.run(pub_snap(encrypted))
+                    _, event_id = asyncio.run(pub_snap(encrypted))
                 else:
-                    pub_snap(encrypted)
+                    _, event_id = pub_snap(encrypted)
             else:
                 # Fallback for tests using simplified stubs
-                self.nostr_client.publish_json_to_nostr(encrypted)
+                event_id = self.nostr_client.publish_json_to_nostr(encrypted)
             self.is_dirty = False
-            return True
+            return event_id
         except Exception as e:
             logging.error(f"Failed to sync vault: {e}", exc_info=True)
-            return False
+            return None
 
     def backup_database(self) -> None:
         """
diff --git a/src/tests/test_manager_workflow.py b/src/tests/test_manager_workflow.py
index abb2bab..009c640 100644
--- a/src/tests/test_manager_workflow.py
+++ b/src/tests/test_manager_workflow.py
@@ -22,6 +22,7 @@ class FakeNostrClient:
 
     def publish_snapshot(self, data: bytes):
         self.published.append(data)
+        return None, "abcd"
 
 
 def test_manager_workflow(monkeypatch):
diff --git a/src/tests/test_nostr_backup.py b/src/tests/test_nostr_backup.py
index b9faca4..0ab10f8 100644
--- a/src/tests/test_nostr_backup.py
+++ b/src/tests/test_nostr_backup.py
@@ -25,7 +25,7 @@ def test_backup_and_publish_to_nostr():
 
         with patch(
             "nostr.client.NostrClient.publish_snapshot",
-            AsyncMock(return_value=None),
+            AsyncMock(return_value=(None, "abcd")),
         ) as mock_publish, patch("nostr.client.ClientBuilder"), patch(
             "nostr.client.KeyManager"
         ), patch.object(
@@ -38,4 +38,4 @@ def test_backup_and_publish_to_nostr():
             result = asyncio.run(nostr_client.publish_snapshot(encrypted_index))
 
         mock_publish.assert_awaited_with(encrypted_index)
-        assert result is None
+        assert result == (None, "abcd")
diff --git a/src/tests/test_nostr_dummy_client.py b/src/tests/test_nostr_dummy_client.py
index cd1ab1a..fe4e998 100644
--- a/src/tests/test_nostr_dummy_client.py
+++ b/src/tests/test_nostr_dummy_client.py
@@ -29,7 +29,7 @@ def test_retrieve_multi_chunk_snapshot(dummy_nostr_client):
 
     client, relay = dummy_nostr_client
     data = os.urandom(120000)
-    manifest = asyncio.run(client.publish_snapshot(data, limit=50000))
+    manifest, _ = asyncio.run(client.publish_snapshot(data, limit=50000))
     assert len(manifest.chunks) > 1
     fetched_manifest, chunk_bytes = asyncio.run(client.fetch_latest_snapshot())
     assert len(chunk_bytes) == len(manifest.chunks)
@@ -40,7 +40,7 @@ def test_retrieve_multi_chunk_snapshot(dummy_nostr_client):
 def test_publish_and_fetch_deltas(dummy_nostr_client):
     client, relay = dummy_nostr_client
     base = b"base"
-    manifest = asyncio.run(client.publish_snapshot(base))
+    manifest, _ = asyncio.run(client.publish_snapshot(base))
     manifest_id = relay.manifests[-1].id
     d1 = b"d1"
     d2 = b"d2"
diff --git a/src/tests/test_password_change.py b/src/tests/test_password_change.py
index 83c0c61..5be68fb 100644
--- a/src/tests/test_password_change.py
+++ b/src/tests/test_password_change.py
@@ -43,7 +43,7 @@ def test_change_password_triggers_nostr_backup(monkeypatch):
 
         with patch("password_manager.manager.NostrClient") as MockClient:
             mock_instance = MockClient.return_value
-            mock_instance.publish_snapshot = AsyncMock(return_value=None)
+            mock_instance.publish_snapshot = AsyncMock(return_value=(None, "abcd"))
             pm.nostr_client = mock_instance
             pm.change_password()
             mock_instance.publish_snapshot.assert_called_once()
diff --git a/src/tests/test_password_unlock_after_change.py b/src/tests/test_password_unlock_after_change.py
index 38e11e2..c548135 100644
--- a/src/tests/test_password_unlock_after_change.py
+++ b/src/tests/test_password_unlock_after_change.py
@@ -54,7 +54,9 @@ def test_password_change_and_unlock(monkeypatch):
         pm.fingerprint_dir = fp
         pm.current_fingerprint = "fp"
         pm.parent_seed = SEED
-        pm.nostr_client = SimpleNamespace(publish_snapshot=lambda *a, **k: None)
+        pm.nostr_client = SimpleNamespace(
+            publish_snapshot=lambda *a, **k: (None, "abcd")
+        )
 
         monkeypatch.setattr(
             "password_manager.manager.prompt_existing_password", lambda *_: old_pw
@@ -64,7 +66,9 @@ def test_password_change_and_unlock(monkeypatch):
         )
         monkeypatch.setattr(
             "password_manager.manager.NostrClient",
-            lambda *a, **kw: SimpleNamespace(publish_snapshot=lambda *a, **k: None),
+            lambda *a, **kw: SimpleNamespace(
+                publish_snapshot=lambda *a, **k: (None, "abcd")
+            ),
         )
 
         pm.change_password()
diff --git a/src/tests/test_post_sync_messages.py b/src/tests/test_post_sync_messages.py
index 2a4e95e..2491217 100644
--- a/src/tests/test_post_sync_messages.py
+++ b/src/tests/test_post_sync_messages.py
@@ -9,16 +9,17 @@ import main
 
 def test_handle_post_success(capsys):
     pm = SimpleNamespace(
-        sync_vault=lambda alt_summary=None: True,
+        sync_vault=lambda alt_summary=None: "abcd",
     )
     main.handle_post_to_nostr(pm)
     out = capsys.readouterr().out
     assert "✅ Sync complete." in out
+    assert "abcd" in out
 
 
 def test_handle_post_failure(capsys):
     pm = SimpleNamespace(
-        sync_vault=lambda alt_summary=None: False,
+        sync_vault=lambda alt_summary=None: None,
     )
     main.handle_post_to_nostr(pm)
     out = capsys.readouterr().out
diff --git a/src/tests/test_profile_management.py b/src/tests/test_profile_management.py
index ff35a7c..de0635b 100644
--- a/src/tests/test_profile_management.py
+++ b/src/tests/test_profile_management.py
@@ -62,7 +62,10 @@ def test_add_and_delete_entry(monkeypatch):
 
         published = []
         pm.nostr_client = SimpleNamespace(
-            publish_snapshot=lambda data, alt_summary=None: published.append(data)
+            publish_snapshot=lambda data, alt_summary=None: (
+                published.append(data),
+                (None, "abcd"),
+            )[1]
         )
 
         inputs = iter([str(index)])
diff --git a/src/tests/test_publish_json_result.py b/src/tests/test_publish_json_result.py
index 08f97ce..176c968 100644
--- a/src/tests/test_publish_json_result.py
+++ b/src/tests/test_publish_json_result.py
@@ -81,8 +81,9 @@ def test_publish_snapshot_success():
         with patch.object(
             client.client, "send_event", side_effect=fake_send
         ) as mock_send:
-            manifest = asyncio.run(client.publish_snapshot(b"data"))
+            manifest, event_id = asyncio.run(client.publish_snapshot(b"data"))
             assert isinstance(manifest, Manifest)
+            assert event_id == "abcd"
             assert mock_send.await_count >= 1
 
 
diff --git a/src/tests/test_settings_menu.py b/src/tests/test_settings_menu.py
index 668cc04..4bf2cb1 100644
--- a/src/tests/test_settings_menu.py
+++ b/src/tests/test_settings_menu.py
@@ -33,7 +33,7 @@ def setup_pm(tmp_path, monkeypatch):
         relays=list(DEFAULT_RELAYS),
         close_client_pool=lambda: None,
         initialize_client_pool=lambda: None,
-        publish_snapshot=lambda data, alt_summary=None: None,
+        publish_snapshot=lambda data, alt_summary=None: (None, "abcd"),
         key_manager=SimpleNamespace(get_npub=lambda: "npub"),
     )