What is JWT and how is it used in web applications?
JWT stands for JSON Web Token. It's a compact, URL-safe means of representing claims to be transferred between two parties.
Can you explain how JWT works in authentication?
Sure! In authentication, a user logs in with their credentials, and the server generates a JWT that encodes the user's information and sends it back to the client.
What are the benefits of using JWT over traditional session cookies?
JWTs are stateless, meaning they don't require server-side storage, making them scalable. They also allow for cross-domain authentication.
Are there any security concerns I should be aware of when using JWT?
Yes, you should ensure that JWTs are signed and optionally encrypted. Also, always validate the token on the server side to prevent tampering.
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