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Node.js for Beginners
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One of the most popular ways to implement authentication in a web application is to use JWT.
So, let’s see some definitions:
JSON Web Token is a proposed internet standard for creating data with optional signature and/or optional encryption whose payload holds JSON that asserts some number of claims. The tokens are signed either using a private secret or a public/private key.
(JSON Web Token, https://en.wikipedia.org/wiki/JSON_Web_Token)
JSON Web Tokens are an open, industry-standard RFC 7519 method for representing claims securely between two parties.
(JWT, https://jwt.io/)
So, basically, a JWT is a string (JSON) that contains information (claims) and is signed using a secret key. This process ensures that the information within the JWT remains secure and tamper-proof, allowing for verification during subsequent requests. Although this may seem like a straightforward concept, delving deeper reveals a multitude of intricacies and considerations...