Structure of JSON Web Token: [1] JWT is a standard for defining tokens. You can use them to represent claims. [2] A single JWT contains all the required info about an entity, making it ideal for authentication. [3] There are three main components of a JWT - header, payload, and signature. [4] The Header component of a JWT contains claims about the token [5] The Payload contains the registered claims and private claims about the users of the JWT [6] The Signature is meant to verify that the JWT [7] With JWT-based authentication, you don't need to maintain session-storage. This is different from session-based authentication. [8] Point 7 makes it easier to scale the client and server [9] But JWTs also have cons, such as invalidation, space issues, and stale data [10] To use JWTs, it's good to follow some best practices
