JWT:- Json Web Token, What it is , Why is it required and When to use.

JWT a.k.a Json Web Token is a standard used for authorization.

As per jwt.io definition of JWT

What is JSON Web Token?

JSON Web Token (JWT) is an open standard (RFC 7519) that defines a compact and self-contained way for securely transmitting information between parties as a JSON object. This information can be verified and trusted because it is digitally signed. JWTs can be signed using a secret (with the HMAC algorithm) or a public/private key…