Vitalik: If validator sets act maliciously, users may have no recourse

ChainCatcher news, Ethereum co-founder Vitalik Buterin posted on X to remind that a key feature of blockchain is that even if a 51% attack occurs, invalid blocks cannot be made valid. This means that even if 51% of validators collude (or encounter software bugs), they cannot steal users' assets.

However, if you trust the validator set to do other things that the blockchain may not be able to control, then 51% of validators could collude and provide incorrect answers, and users would have no recourse.