Install the JWT Package
We will use the jsonwebtoken package to demonstrate JWT verification.
Install it using npm.
The package provides methods for signing and verifying JSON Web Tokens.
This tutorial focuses on verifying tokens issued by an existing authentication system. In a real application, token issuance should be handled by your established authentication service.
Install JWT Dependency
npm install jsonwebtokenInstalls the jsonwebtoken library for verifying signed access tokens.
Key Takeaways
JWTs can carry signed identity claims.
Token verification must happen on the server.
Use an established authentication system to issue access tokens.