What is JWT and how to use it in React?

What is JWT and how is it used in React?

JWT stands for JSON Web Token. It's a compact, URL-safe means of representing claims to be transferred between two parties. In React, it's commonly used for authentication.

How do I implement JWT authentication in my React app?

You can implement JWT authentication by first creating a login form that sends user credentials to your server. Upon successful authentication, the server will return a JWT, which you can store in local storage or a cookie.

What libraries can I use to handle JWT in React?

You can use libraries like jsonwebtoken for decoding and verifying JWTs, and axios for making HTTP requests to your backend.

Are there any security concerns I should be aware of?

Yes, ensure to use HTTPS to protect tokens in transit, and consider implementing token expiration and refresh mechanisms.