The three authentication mechanisms are:

1️⃣ Something you know

2️⃣ Something you have

3️⃣ Something you are

But what about a fourth one: something only you can do?

In this video, I look at the fundamental different between identifying yourself to a Web3 website using a blockchain wallet, and Web2 using a username and password.

It has to do with asymmetric key cryptography.

In part 2, I will talk more about why blockchain is an important piece of the puzzle for a number of different reasons (because what I talk about in this video could be used in Web2, but generally speaking isn't.)