Show me one db with auth that can't be maliciously altered. Agree that many usecases would be better served by a centralised system, but many don't seem to gra

Show me one db with auth that can't be maliciously altered. Agree that many usecases would be better served by a centralised system, but many don't seem to grasp how useful an immutable database is. Even with the advent of quantum computing and the havoc that Shor's algorithm will cause, there still won't be enough computing power to undo the Bitcoin blockchain.