What Are The Trade‑offs Between Server‑stored Sessions And JWTs for Authentication?

Grokking Scalable Systems for Interviews

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What Are The Trade‑offs Between Server‑stored Sessions And JWTs for Authentication?

Server-stored sessions vs JWT authentication refers to a stateful vs stateless approach to keeping users logged in: server-side sessions store user data on the server (making revocation and security control easier but requiring server memory and coordination), whereas JWTs (JSON Web Tokens) store data in a signed token on the client (allowing stateless, scalable authentication at the cost of more complex token management and revocation challenges).

Session-Based Authentication (Server-Stored Sessions)

Session-based authentication (also called **cookie-based or stateful authenticatio

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