diff --git a/components/contacts/contact-detail.tsx b/components/contacts/contact-detail.tsx
index b520c23c3..8f1579fa4 100644
--- a/components/contacts/contact-detail.tsx
+++ b/components/contacts/contact-detail.tsx
@@ -13,6 +13,8 @@ import { ContactActivity } from "./contact-activity";
 import { toast } from "@/stores/toast-store";
 import { exportContact } from "./contact-export";
 import { printContact } from "./contact-print";
+import { usePluginSlotOffers } from "@/hooks/use-plugin-slot-offers";
+import { PluginSlot } from "@/components/plugins/plugin-slot";
 
 type MoreItem =
   | {
@@ -119,6 +121,7 @@ export function ContactDetail({ contact, onEdit, onDelete, onAddToGroup, onDupli
   const t = useTranslations("contacts");
 
   const cryptoKeys = contact?.cryptoKeys ? Object.values(contact.cryptoKeys) : [];
+  const hasCryptoKeysSlotOffers = usePluginSlotOffers('contact-cryptokeys').length > 0;
 
   if (!contact) {
     return (
@@ -429,7 +432,12 @@ export function ContactDetail({ contact, onEdit, onDelete, onAddToGroup, onDupli
         {cryptoKeys.length > 0 && (
           <Section title={t("detail.crypto_keys")}>
             <div className="space-y-3">
-              {cryptoKeys.map((key, i) => (
+
+             {hasCryptoKeysSlotOffers && (
+              <PluginSlot name="contact-cryptokeys" extraProps={{ cryptoKeys }} />
+              )}
+
+              {!hasCryptoKeysSlotOffers &&cryptoKeys.map((key, i) => (
                 <div key={i} className="rounded-md border border-border/60 bg-muted/30 p-3 space-y-1">
                   <div className="flex items-start gap-2 text-sm break-all">
                     <KeyRound className="w-4 h-4 text-muted-foreground mt-0.5 flex-shrink-0" />
diff --git a/lib/__tests__/plugin-types.test.ts b/lib/__tests__/plugin-types.test.ts
index a5e6a090c..f48ab1b19 100644
--- a/lib/__tests__/plugin-types.test.ts
+++ b/lib/__tests__/plugin-types.test.ts
@@ -39,6 +39,7 @@ describe('plugin-types constants', () => {
       expect(ALL_PERMISSIONS).toContain('ui:toolbar');
       expect(ALL_PERMISSIONS).toContain('ui:email-banner');
       expect(ALL_PERMISSIONS).toContain('ui:email-footer');
+      expect(ALL_PERMISSIONS).toContain('ui:contact-cryptokeys');
       expect(ALL_PERMISSIONS).toContain('ui:composer-toolbar');
       expect(ALL_PERMISSIONS).toContain('ui:sidebar-widget');
       expect(ALL_PERMISSIONS).toContain('ui:settings-section');
diff --git a/lib/plugin-types.ts b/lib/plugin-types.ts
index b93543a12..dde32867a 100644
--- a/lib/plugin-types.ts
+++ b/lib/plugin-types.ts
@@ -287,7 +287,8 @@ export type SlotName =
   | 'context-menu-email'
   | 'navigation-rail-bottom'
   | 'calendar-event-actions'
-  | 'admin-plugin-page';
+  | 'admin-plugin-page'
+  | 'contact-cryptokeys';
 
 export interface SlotRegistration {
   pluginId: string;
@@ -1038,7 +1039,7 @@ export const ALL_PERMISSIONS = [
   'auth:emit',
   'account:read',
   'http:post', 'http:fetch',
-  'ui:observe', 'ui:toolbar', 'ui:app-top-banner', 'ui:email-banner', 'ui:email-footer',
+  'ui:observe', 'ui:toolbar', 'ui:app-top-banner', 'ui:email-banner', 'ui:email-footer', 'ui:contact-cryptokeys',
   'ui:email-details',
   'ui:download-file',
   // Register native message-list category tabs (Gmail-style inbox tabs).