Not only that, when once there were 194bn BTC due to a bug, the miners "just stopped using it", rolled back, fixed the bug, and went forward from there. Blockch

Not only that, when once there were 194bn BTC due to a bug, the miners "just stopped using it", rolled back, fixed the bug, and went forward from there. Blockchain is immutable! Code is law! Sure, unless it isn't.