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JWT Essentials A JSON Web Token (JWT) is a compact, URL-safe string that carries digitally-signed claims. Because the signature guarantees integrity, any party in possession of the token can trust its contents without contacting the issuer. Typical use cases include single-sign-on flows, micro-service authentication, and stateless session manag ...

This guide explores how to implement custom authentication and authorization mechanisms using Spring Security combined with JWT tokens. The approach enables stateless authentication suitable for modern distributed applications and microservices architectures. --- 1. Understending Spring Security's Built-in Authentication Flow Before implementin ...