What is a Web token used for?

The tokens are designed to be compact, URL-safe, and usable especially in a web-browser single-sign-on (SSO) context. JWT claims can typically be used to pass identity of authenticated users between an identity provider and a service provider, or any other type of claims as required by business processes .

A JSON web token is JSON (JavaScript object notation) with some extra structure . JWTs include a header and payload that use the JSON format. Optionally, the tokens can be encrypted or signed with a message authentication code (MAC).16 Eyl 2021

Information Exchange: JWTs are a good way of securely transmitting information between parties because they can be signed, which means you can be sure that the senders are who they say they are . Additionally, the structure of a JWT allows you to verify that the content hasn’t been tampered with.