JWT Authentication and Authorization: A Detailed Introduction

In this article, we will discuss authentication and authorization using the JWT token and different cryptographic algorithms and techniques. So, we will be looking at the following things one by one:

• Introduction of JWT Token
• Why JWT Token?
• Structure of JWT Token
• Client-Server Scenario With JWT Token
• Client-Server Scenario With JWT Refresh Token

Let’s start one by one with the basics and real-time scenarios.