> So yes, changing anything (hard-fork) is very difficult because it requires 100% consensus to be done well. I'm fairly certain this isn't the case. It needs

> So yes, changing anything (hard-fork) is very difficult because it requires 100% consensus to be done well. I'm fairly certain this isn't the case. It needs 51% to be done (nevermind done "well"), and then in theory more and more miners will cut their losses and start operating under the winning chain's rules. Unless by "done well", you mean that transacting users and merchants aren't inconvenienced. Because a hard fork battle would be inconvenient for commerce if it wasn't a large majority. But miners don't necessarily need to care about that :)