14:52

Creating a blockchain with Javascript (Blockchain, part 1)

25:16

Mas como o bitcoin realmente funciona?

13:58

What is Blockchain

14:58

How the blockchain will radically transform the economy | Bettina Warburg

4:17

Smart contracts - Simply Explained

17:50

Introdução a Blockchain - Uma demonstração visual

5:56

Watch Crypto expert explain the Blockchain to Congress

31:11

Ethical Hacker: "I'll Show You Why Google Has Just Shut Down Their Quantum Chip"