diff --git a/src/components/auth/RouteGuard.tsx b/src/components/auth/RouteGuard.tsx
new file mode 100644
index 0000000..78635fa
--- /dev/null
+++ b/src/components/auth/RouteGuard.tsx
@@ -0,0 +1,87 @@
+import { useEffect, useState } from 'react'
+import { Navigate } from 'react-router-dom'
+import { useWallet } from '../../hooks/useWallet'
+import { useAuth } from '../../hooks/useAuth'
+import { useRoleStore, type UserRole } from '../../stores/role.store'
+import type { ReactNode } from 'react'
+
+interface RouteGuardProps {
+  children: ReactNode
+  allowedRole?: UserRole
+  requireAuth?: boolean
+}
+
+export function RouteGuard({
+  children,
+  allowedRole,
+  requireAuth = true,
+}: RouteGuardProps) {
+  const { isConnected } = useWallet()
+  const { checkAuth, logout } = useAuth()
+  const { role, roleSelected } = useRoleStore()
+  const [isChecking, setIsChecking] = useState(true)
+  const [isAuthenticated, setIsAuthenticated] = useState(false)
+
+  useEffect(() => {
+    const validateAuth = () => {
+      setIsChecking(true)
+      
+      if (!requireAuth) {
+        setIsAuthenticated(true)
+        setIsChecking(false)
+        return
+      }
+
+      // Check wallet connection
+      if (!isConnected) {
+        setIsAuthenticated(false)
+        setIsChecking(false)
+        return
+      }
+
+      // Check JWT token validity
+      const isValid = checkAuth()
+      if (!isValid) {
+        logout()
+        setIsAuthenticated(false)
+        setIsChecking(false)
+        return
+      }
+
+      setIsAuthenticated(true)
+      setIsChecking(false)
+    }
+
+    validateAuth()
+  }, [isConnected, checkAuth, logout, requireAuth])
+
+  if (isChecking) {
+    return (
+      <div className="flex items-center justify-center min-h-screen">
+        <div className="animate-spin rounded-full h-12 w-12 border-b-2 border-gray-900"></div>
+      </div>
+    )
+  }
+
+  // Redirect unauthenticated users
+  if (requireAuth && !isAuthenticated) {
+    return <Navigate to="/" replace />
+  }
+
+  // Redirect if wallet not connected
+  if (requireAuth && !isConnected) {
+    return <Navigate to="/" replace />
+  }
+
+  // Redirect if role not selected
+  if (requireAuth && !roleSelected) {
+    return <Navigate to="/role-select" replace />
+  }
+
+  // Redirect if role doesn't match requirement
+  if (requireAuth && allowedRole && role !== allowedRole) {
+    return <Navigate to="/dashboard" replace />
+  }
+
+  return <>{children}</>
+}
diff --git a/src/hooks/useAuth.ts b/src/hooks/useAuth.ts
index b0c59bd..cf3775e 100644
--- a/src/hooks/useAuth.ts
+++ b/src/hooks/useAuth.ts
@@ -11,6 +11,17 @@ function bytesToBase64(bytes: Uint8Array): string {
   return btoa(binary)
 }
 
+function isTokenExpired(token: string): boolean {
+  try {
+    const payload = JSON.parse(atob(token.split('.')[1]))
+    const exp = payload.exp
+    if (!exp) return false
+    return Date.now() >= exp * 1000
+  } catch {
+    return true
+  }
+}
+
 export const useAuth = () => {
   const [isAuthLoading, setIsAuthLoading] = useState(false)
   const [authError, setAuthError] = useState<string | null>(null)
@@ -49,9 +60,22 @@ export const useAuth = () => {
     clearTokens()
   }
 
+  const checkAuth = () => {
+    const token = localStorage.getItem('accessToken')
+    if (!token) {
+      return false
+    }
+    if (isTokenExpired(token)) {
+      clearTokens()
+      return false
+    }
+    return true
+  }
+
   return {
     authenticate,
     logout,
+    checkAuth,
     isAuthLoading,
     authError,
     isAuthenticated,
diff --git a/src/router/index.tsx b/src/router/index.tsx
index e3f34e9..b66d413 100644
--- a/src/router/index.tsx
+++ b/src/router/index.tsx
@@ -1,4 +1,4 @@
-import { createBrowserRouter, RouterProvider, Navigate } from 'react-router-dom'
+import { createBrowserRouter, RouterProvider } from 'react-router-dom'
 import { Layout } from '../components/layout/Layout'
 import { Home } from '../pages/Home'
 import { Docs } from '../pages/Docs'
@@ -16,32 +16,8 @@ import { LearnerProfile } from '../pages/LearnerProfile'
 import { NotFound } from '../pages/NotFound'
 import { History } from '../pages/History'
 import { RoleSelect } from '../pages/RoleSelect'
-import { useRoleStore } from '../stores/role.store'
+import { RouteGuard } from '../components/auth/RouteGuard'
 import type { UserRole } from '../stores/role.store'
-import { useWallet } from '../hooks/useWallet'
-import type { ReactNode } from 'react'
-
-function RoleGuard({
-  allowedRole,
-  children,
-}: {
-  allowedRole: UserRole
-  children: ReactNode
-}) {
-  const { isConnected } = useWallet()
-  const { role, roleSelected } = useRoleStore()
-
-  if (!isConnected) {
-    return <Navigate to="/" replace />
-  }
-  if (!roleSelected) {
-    return <Navigate to="/role-select" replace />
-  }
-  if (role !== allowedRole) {
-    return <Navigate to="/dashboard" replace />
-  }
-  return <>{children}</>
-}
 
 const router = createBrowserRouter([
   {
@@ -58,11 +34,11 @@ const router = createBrowserRouter([
   },
   {
     path: '/role-select',
-    element: <Layout><RoleSelect /></Layout>,
+    element: <Layout><RouteGuard requireAuth><RoleSelect /></RouteGuard></Layout>,
   },
   {
     path: '/dashboard',
-    element: <Layout><Dashboard /></Layout>,
+    element: <Layout><RouteGuard requireAuth><Dashboard /></RouteGuard></Layout>,
   },
   {
     path: '/vendors',
@@ -70,11 +46,11 @@ const router = createBrowserRouter([
   },
   {
     path: '/vendors/dashboard',
-    element: <Layout><RoleGuard allowedRole="vendor"><VendorDashboard /></RoleGuard></Layout>,
+    element: <Layout><RouteGuard requireAuth allowedRole="vendor"><VendorDashboard /></RouteGuard></Layout>,
   },
   {
     path: '/vendors/register',
-    element: <Layout><RoleGuard allowedRole="vendor"><VendorRegister /></RoleGuard></Layout>,
+    element: <Layout><RouteGuard requireAuth allowedRole="vendor"><VendorRegister /></RouteGuard></Layout>,
   },
   {
     path: '/vendors/:id',
@@ -82,19 +58,19 @@ const router = createBrowserRouter([
   },
   {
     path: '/sponsors',
-    element: <Layout><RoleGuard allowedRole="sponsor"><Sponsors /></RoleGuard></Layout>,
+    element: <Layout><RouteGuard requireAuth allowedRole="sponsor"><Sponsors /></RouteGuard></Layout>,
   },
   {
     path: '/sponsors/onboarding',
-    element: <Layout><RoleGuard allowedRole="sponsor"><SponsorOnboarding /></RoleGuard></Layout>,
+    element: <Layout><RouteGuard requireAuth allowedRole="sponsor"><SponsorOnboarding /></RouteGuard></Layout>,
   },
   {
     path: '/mentor',
-    element: <Layout><RoleGuard allowedRole="mentor"><MentorDashboard /></RoleGuard></Layout>,
+    element: <Layout><RouteGuard requireAuth allowedRole="mentor"><MentorDashboard /></RouteGuard></Layout>,
   },
   {
     path: '/vouch',
-    element: <Layout><RoleGuard allowedRole="mentor"><Vouch /></RoleGuard></Layout>,
+    element: <Layout><RouteGuard requireAuth allowedRole="mentor"><Vouch /></RouteGuard></Layout>,
   },
   {
     path: '/learner/:walletAddress',
@@ -102,7 +78,7 @@ const router = createBrowserRouter([
   },
   {
     path: '/history',
-    element: <Layout><History /></Layout>,
+    element: <Layout><RouteGuard requireAuth><History /></RouteGuard></Layout>,
   },
   {
     path: '*',