What is JWT token usage in web applications?
JWT, or JSON Web Token, is used for securely transmitting information between parties as a JSON object. It's commonly used for authentication and information exchange.
How does JWT improve security in web applications?
JWT improves security by allowing stateless authentication, meaning the server doesn't need to store session information. The token is signed, ensuring its integrity.
Can you explain the structure of a JWT?
A JWT consists of three parts: a header, a payload, and a signature. The header typically contains the type of token and the signing algorithm. The payload contains the claims, and the signature is used to verify the sender.
What are some common use cases for JWT?
Common use cases include user authentication, information exchange between services, and securing APIs.
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