Decoding a JWT — Header, Payload, and Signature
A field-by-field walkthrough of a real JSON Web Token — what each header and payload claim means, how the signature is produced, and how to decode one yourself.
Benefits and Drawbacks of JWTs
Where JSON Web Tokens are the right architectural choice and where they are not — stateless validation, revocation limits, token size, and the alternatives worth considering.
JWT Security Best Practices
How to implement JSON Web Tokens securely — signing algorithms, token storage, transmission, validation, expiry and revocation, and the attack vectors each one closes.