Ethereum co-founder, Vitalik Buterin, has publicly stated that the proof-of-work (PoW) consensus method used by Ethereum in the past had issues with centralization. This revelation was made in response to some members of the Ethereum community expressing their preference for the network to have remained on PoW rather than transitioning to proof-of-stake (PoS).

Amanda Cassatt, the CEO of Serotonin, initiated the discussion by pointing out that there are individuals who believe that Ethereum's move to PoS was a mistake. She highlighted concerns about centralization risks and power balance in the network due to the transition. Cassatt pointed out that the validation process in Ethereum has become more centralized with PoS, leading to the removal of certain checks and balances in the ecosystem.

Buterin joined the conversation by acknowledging that PoW also had issues with centralization, but...