EP149: JWT 101: Key to Stateless Authentication

This ByteByteGo newsletter provides a comprehensive overview of JSON Web Tokens (JWT), a widely used standard for stateless authentication and authorization. It explains the structure of JWTs, including their header, payload, and signature components, and discusses symmetric and asymmetric signing methods. Additionally, the newsletter touches on related topics like digital signatures, cloud services, and Airbnb's architectural evolution from a monolithic to a service-oriented architecture.

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Core Technical Concepts/Technologies Discussed

1. JSON Web Tokens (JWT)
2. Stateless Authentication
3. Symmetric and Asymmetric Signatures
4. Digital Signatures
5. Service-Oriented Architecture (SOA)
6. Cloud Services (AWS, Azure, Google Cloud, etc.)

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Main Points

• JWT Structure:
  • Header: Specifies the signing algorithm (e.g., HMAC, RSA).
  • **Payload