> A blockchain is a distributed public ledger of immutable information. Is it immutable? Forks, 51% attacks, bugs. It it only immutable until consensus decides

> A blockchain is a distributed public ledger of immutable information. Is it immutable? Forks, 51% attacks, bugs. It it only immutable until consensus decides it isn't immutable, right? If something is immutable, but can be made immutable, is it ever really immutable?