> if someone can round up 51% of Bitcoin's miners and hold them at gunpoint, then they have full control over Bitcoin's rules. This is not true. Most of the ru

> if someone can round up 51% of Bitcoin's miners and hold them at gunpoint, then they have full control over Bitcoin's rules. This is not true. Most of the rules are maintained using cryptography and game theory. For someone to break bitcoin, they need to be irrational. i.e spend more than they will benefit from an attack. And even if such an attack happens, it's very trivial to roll back & undo the damages. It's not a democracy, it's a game.