Messari CEO: ETH Proof of Entitlement (PoS) transformation will not be realized until 2021

According to Cointelegraph, on May 10, Ryan Selkis, CEO of encryption research firm Messari, said that ETH's Proof of Rights (PoS) transformation will not be realized until 2021. Ryan Selkis pointed out the main risks associated with Ethereum's migration from Workload Proof (PoW) to the PoS consensus algorithm, and considered the PoS system to be “not proven effective”.