Скачать или смотреть Session vs Token-Based Authentication Explained | Authentication in web🔥

In web development, authentication is how we verify who the user is — just like checking someone’s ID card before letting them in.

Now, there are two common ways to handle authentication:

Session-based authentication: Like entering a club and getting your name on a guest list. The server stores your info in memory (session), and you get a session ID.

Token-based authentication (like JWT): It’s like carrying your ID card (token) with you. Server doesn't store anything; it just verifies your token every time.

Main difference?
In sessions, the server does the remembering. In tokens, the user carries proof.

This concept is frequently asked in backend and full-stack interviews, especially when working with Node.js, Express, or React-based apps. Understanding this helps in designing scalable and secure login systems.


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