What are JSON Web Tokens (JWT) and how are they used for authentication in web applications?

  • Encoded JSON Objects for Secure Data Transmission
  • Serialized Tokens for Session Management
  • Signed Tokens for Stateful Authentication
  • Tokens Generated by OAuth for User Authentication
JSON Web Tokens (JWT) are compact, self-contained tokens used for authentication in web apps. They are signed to ensure integrity and can carry user identity and other claims securely. OAuth tokens are different from JWTs, used for access delegation, while JWTs are used for stateful authentication. JWTs are often employed for session management, allowing servers to verify user authenticity and authorize access to resources securely.
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