Ethereum researcher: Compared to Bitcoin, it is more difficult to launch a 51% Attack on Ethereum.
Ethereum researcher Justin Drake pointed out that the cost of attacking Ethereum is much higher than that of attacking Bitcoin, and the PoS mechanism along with community coordination provides additional security guarantees. The community is able to identify and punish attackers, which is an advantage that the PoW mechanism does not possess. The founder of Lightblocks also believes that the security of Ethereum relies not only on cryptography and protocol rules but also on the coordination mechanism of the community.