How Did an Attacker Steal $50 Million in Bitcoin?
They didn't hack the encryption. They didn't crack any passwords.
They simply predicted the "random" numbers used to generate private keys. The randomness wasn't random at all.
The Predictable "Random" Number Game
Below is a sequence of numbers that a program claims are "random." Watch as they're generated, then answer: how were they made?
A "Random" Number Generator
How do you think these numbers were generated?
Click "Reveal Next Number" a few times, then select how you think the numbers are generated!
