Secure Your Ruby App with JSON Web Tokens

2023/08/23

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The article discusses the importance of securing web applications and introduces JSON Web Tokens (JWTs) as a means of authentication. It explains that JWTs are a compact and URL-safe way of representing claims between two parties. The structure of a JWT is explained, consisting of three parts: the header, payload, and signature. The header contains information about the algorithm and type of token, the payload contains claims about the user, and the signature validates the token. The article also compares JWTs to session-based authentication, highlighting that JWTs are often used for server-server connections. It emphasizes the importance of securing user data and provides developers with a valuable tool for implementing authentication in their Ruby applications.