JWT Q&A: Authentication vs Authorization, Token Parts, and More

In this video, I answer the most common questions about JWT (JSON Web Token) authentication and authorization – no coding, just clear, concise explanations.

We'll cover:

⏱ What are authentication and authorization?
(The difference everyone gets confused about)

⏱ What is token-based authentication and JWT authentication?
(How tokens replace sessions and where JWT fits in)

⏱ What are the parts of a JWT token?
(Header, Payload, Signature – broken down simply)

⏱ Where does the JWT token reside in the request?
(Headers, cookies, body – what's correct and why)

🎯 Perfect for:

Beginners confused about auth concepts

Interview prep on JWT basics

Developers switching from session-based auth

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Видео JWT Q&A: Authentication vs Authorization, Token Parts, and More канала The Selfish Software Engineer