JWT

Summary

In an auth-system context: using signed JSON Web Tokens to represent a logged-in session, verified by the server on each protected request.

• 1Trace a full login flow: credentials → server issues JWT → client stores and sends it.
• 2Learn where to store the JWT with the best security trade-offs for your app type.
• 3Understand token expiry and what your app should do when a token expires mid-session.