The actual articles are written in medium platform, those are just the implementations.
Simple JWT Authentication explanation: https://medium.com/@mmoshikoo/simple-jwt-authentication-explanation-81e930a1a01f
C# Article: https://medium.com/@mmoshikoo/jwt-authentication-using-c-54e0c71f21b0
NodeJS Article: https://medium.com/@mmoshikoo/jwt-authentication-using-nodejs-82a1d8fb8648
Enjoy.