diff --git a/packages/controllers/src/userController.ts b/packages/controllers/src/userController.ts
new file mode 100644
index 00000000000..2ba001fc63a
--- /dev/null
+++ b/packages/controllers/src/userController.ts
@@ -0,0 +1,11 @@
+interface UserData {
+  address: string;
+  nickname: string;
+  lastLogin?: number; // new field
+}
+
+// когда пользователь аутентифицируется:
+function onLogin(user: UserData) {
+  user.lastLogin = Date.now();
+  localStorage.setItem('user', JSON.stringify(user));
+}