diff --git a/crates/workspace/src/sidebar/header.rs b/crates/workspace/src/sidebar/header.rs
index 470d1c81..d90fd917 100644
--- a/crates/workspace/src/sidebar/header.rs
+++ b/crates/workspace/src/sidebar/header.rs
@@ -1,18 +1,25 @@
 #[cfg(not(target_arch = "wasm32"))]
 use auto_update::AutoUpdater;
 use gpui::prelude::FluentBuilder;
+use gpui::{
+    Anchor, App, Context, Div, InteractiveElement, ParentElement, SharedString, Stateful, Styled,
+    Window, div, px,
+};
 #[cfg(not(target_arch = "wasm32"))]
 use gpui::{AnyElement, Entity, IntoElement};
-use gpui::{
-    App, Context, Div, InteractiveElement, ParentElement, Stateful, Styled, Window, div, px,
-};
+use gpui_kit::base::StyledExt as _;
 #[cfg(not(target_arch = "wasm32"))]
 use gpui_kit::component::Disableable;
 use gpui_kit::component::button::{Button, ButtonVariant, ButtonVariants};
+use gpui_kit::component::clipboard::Clipboard;
 use gpui_kit::component::dialog::DialogButtonProps;
 use gpui_kit::component::menu::{DropdownMenu, PopupMenuItem};
+use gpui_kit::component::popover::Popover;
+use gpui_kit::component::separator::Separator;
 use gpui_kit::component::{ActiveTheme, Icon, Selectable, Sizable, WindowExt, h_flex, v_flex};
 use nostr_sdk::prelude::*;
+use person::shorten_pubkey;
+use settings::AppSettings;
 use state::{CLIENT_NAME, NostrRegistry};
 use ui::{Avatar, IconName};
 
@@ -31,6 +38,10 @@ impl Sidebar {
         let updater = AutoUpdater::try_global(cx);
         let profile = self.directory.read(cx).person(current_user, cx);
         let avatar = profile.avatar();
+        let encryption_key = profile
+            .announcement()
+            .map(|announcement| announcement.public_key());
+        let encryption_enabled = AppSettings::get_nip4e(cx);
 
         h_flex()
             .id("sidebar-user")
@@ -71,6 +82,11 @@ impl Sidebar {
                 });
 
                 actions
+                    .when(encryption_enabled, |actions| {
+                        actions.when_some(encryption_key, |actions, encryption_key| {
+                            actions.child(self.render_encryption(encryption_key))
+                        })
+                    })
                     .child(
                         Button::new("sidebar-search")
                             .icon(IconName::Search)
@@ -111,6 +127,89 @@ impl Sidebar {
             })
     }
 
+    /// The encryption key popover: public key with copy, backup and reset
+    fn render_encryption(&self, encryption_key: PublicKey) -> impl IntoElement {
+        Popover::new("sidebar-encryption")
+            .anchor(Anchor::TopRight)
+            .trigger(
+                Button::new("encryption-key")
+                    .icon(IconName::Lock)
+                    .tooltip("Encryption Key")
+                    .ghost()
+                    .small(),
+            )
+            .content(move |_, _, cx| {
+                let popover = cx.entity();
+                let Ok(npub) = encryption_key.to_bech32();
+
+                v_flex()
+                    .w_64()
+                    .gap_2()
+                    .text_sm()
+                    .child(
+                        div()
+                            .text_xs()
+                            .font_semibold()
+                            .text_color(cx.theme().muted_foreground)
+                            .child("Public key"),
+                    )
+                    .child(
+                        h_flex()
+                            .items_center()
+                            .gap_1()
+                            .child(
+                                div()
+                                    .flex_1()
+                                    .min_w_0()
+                                    .truncate()
+                                    .text_color(cx.theme().muted_foreground)
+                                    .child(SharedString::from(shorten_pubkey(encryption_key, 12))),
+                            )
+                            .child(
+                                Clipboard::new("encryption-key-copy")
+                                    .tooltip("Copy public key")
+                                    .value(npub),
+                            ),
+                    )
+                    .child(Separator::horizontal())
+                    .child(
+                        h_flex()
+                            .justify_end()
+                            .gap_2()
+                            .child(
+                                Button::new("encryption-backup")
+                                    .label("Backup")
+                                    .outline()
+                                    .small()
+                                    .on_click({
+                                        let popover = popover.clone();
+                                        move |_, window, cx| {
+                                            popover
+                                                .update(cx, |state, cx| state.dismiss(window, cx));
+                                            window.dispatch_action(
+                                                Box::new(Command::BackupEncryption),
+                                                cx,
+                                            );
+                                        }
+                                    }),
+                            )
+                            .child(
+                                Button::new("encryption-reset")
+                                    .label("Reset")
+                                    .ghost()
+                                    .small()
+                                    .on_click(move |_, window, cx| {
+                                        popover.update(cx, |state, cx| state.dismiss(window, cx));
+                                        window.dispatch_action(
+                                            Box::new(Command::ResetEncryption),
+                                            cx,
+                                        );
+                                    }),
+                            ),
+                    )
+            })
+    }
+
     pub(super) fn render_footer(&self, loading: bool, _cx: &mut Context<Self>) -> Div {
         v_flex()
             .p_2()
diff --git a/crates/workspace/src/sidebar/mod.rs b/crates/workspace/src/sidebar/mod.rs
index 83b21fe5..5fc32c41 100644
--- a/crates/workspace/src/sidebar/mod.rs
+++ b/crates/workspace/src/sidebar/mod.rs
@@ -21,6 +21,7 @@ use nostr_sdk::prelude::*;
 use person::{Directory, PersonRegistry};
 pub(crate) use rows::open_room;
 use search::SearchResult;
+use settings::AppSettings;
 use smallvec::{SmallVec, smallvec};
 use state::{FIND_DELAY, NostrRegistry, StateEvent};
 use ui::title_bar_drag_handlers;
@@ -104,6 +105,8 @@ impl Sidebar {
         let chat = ChatRegistry::global(cx);
         let groups = GroupsRegistry::global(cx);
         let nostr = NostrRegistry::global(cx);
+        let settings = AppSettings::global(cx);
+        let directory = Directory::new(cx);
 
         let find_input = cx.new(|cx| {
             InputState::new(window, cx)
@@ -206,6 +209,11 @@ impl Sidebar {
             },
         ));
 
+        // The user header reads settings and the tracked profiles on render, so
+        // the encryption button reacts to toggles and announcement arrivals
+        subscriptions.push(cx.observe(&settings, |_, _, cx| cx.notify()));
+        subscriptions.push(cx.observe(&directory, |_, _, cx| cx.notify()));
+
         tasks.push(cx.spawn(async move |this, cx| {
             let timer = Duration::from_millis(PROGRESS_TICK_MS);
             loop {
@@ -229,7 +237,7 @@ impl Sidebar {
             chats_open: None,
             contacts_open: false,
             contacts: None,
-            directory: Directory::new(cx),
+            directory,
             selected_contacts: HashSet::new(),
             requests_open: false,
             new_requests: false,