JSON Web Tokens (JWT) have become a popular choice for authentication and authorization in web applications due to their compact size, security, and ease of use. In this blog post, we will dive deep into the mechanics of JWT, how it works, and how to implement it securely and effectively. Whether you’re a beginner or an expert, this guide will help you gain a solid understanding of JWT. What is JWT? JWT, short for JSON Web Token , is a compact, URL-safe way of representing claims to be transferred between two parties. These claims are typically used for authentication and authorization, making JWT an essential tool for securing web applications. JWTs are widely used because they: Are self-contained : JWTs include all the information needed to authenticate the user. Are compact and URL-safe : Their structure is small enough to be included in HTTP headers, making them easy to transmit. The Structure of a JWT A JWT is made up of three parts: Header Payload Signature Each of these parts se...
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