How to create your own authentication system in MongoDB ?

Why you should make authentication system yourself ? While there are plenty of popular services (like Firebase Authentication, Auth0 etc.) which provide you a way to let users do signin / login which just a few lines of code, in my opinion , making your own authentication is much better option. The reason being same … Read more

Blockchain explained – part 3 : Signature

This is the third and the last part of the ‘blockchain explained’ series. Please go through part 1 and 2 before this to understand it better. I also recommend you to read my article about cryptography to make your reading even smoother. In this article we will be talking about the role of cryptography in … Read more

Cryptography 101

Cryptography refers to the practices involved in making a secure way of communication between a sender and a receiver. The word ‘Communication’ can be understood as transfer of data from one person to the other. Imagine you are trying to send a message to your friend. You wrote it in a paper and now you … Read more