diff --git a/blockchain_integration/pi_network/middleware/authMiddleware.js b/blockchain_integration/pi_network/middleware/authMiddleware.js
new file mode 100644
index 000000000..f4feb15f8
--- /dev/null
+++ b/blockchain_integration/pi_network/middleware/authMiddleware.js
@@ -0,0 +1,23 @@
+// middleware/authMiddleware.js
+
+const jwt = require('jsonwebtoken');
+
+const SECRET_KEY = 'YOUR_SECRET_KEY'; // Replace with your actual secret key
+
+const authMiddleware = (req, res, next) => {
+    const token = req.headers['authorization']?.split(' ')[1]; // Bearer <token>
+
+    if (!token) {
+        return res.status(401).json({ message: 'No token provided, authorization denied.' });
+    }
+
+    jwt.verify(token, SECRET_KEY, (err, decoded) => {
+        if (err) {
+            return res.status(403).json({ message: 'Token is not valid.' });
+        }
+        req.user = decoded; // Attach user info to request object
+        next(); // Proceed to the next middleware or route handler
+    });
+};
+
+module.exports = authMiddleware;