Vitalik Buterin recommends Ethereum Classic for PoW lovers

In the coming months, Ethereum core developers will begin the final phase of the blockchain’s transition from proof-of-work (PoW) to proof-of-stake (PoW) consensus mechanism. This sets the second-largest blockchain on a new version, Ethereum 2.0 (Serenity), which is considered more scalable and sustainable than the previous version.