JWT Token Explained | Authentication, Access Token & Refresh Token | Hindi
JWT Token Explained from Scratch 🚀
Ever wondered what happens after you click Login?
In this video, you'll learn how JWT (JSON Web Token) works, how user authentication is handled in modern applications, and why servers trust JWT without checking the database on every request.
✅ JWT Structure (Header, Payload, Signature)
✅ Access Token vs Refresh Token
✅ Public Key vs Private Key
✅ JWT Validation Flow
Perfect for Software Engineers, Backend Developers, and System Design Interviews.
#JWT #Authentication #Authorization #SystemDesign #BackendDevelopment #OAuth #OIDC #SoftwareEngineering