Node.js card reviewmedium

What is JWT authentication in Node.js?

JWT authentication uses JSON Web Tokens to securely transfer user identity information between client and server. After login, the server generates a token that the client sends with future requests. The server verifies the token before allowing access to protected resources.

JB

Jeevan Bhargav

Audited by Creator

This answer is calibrated for technical interviews. Verify benchmarks in local sandboxes before deploying.