God of V: ​​PoS is much more efficient than PoW, and the PoW chain will eventually disappear

According to AMBCrypto, in a recent podcast show, Ethereum founder V Shen said that compared to PoW, PoS is much more efficient and the PoW chain will eventually disappear. In several other interviews, V God pointed out that PoS is more difficult to attack, because it is much more expensive to attack than PoW. Considering that PoS does not require too many calculations, PoS is also more environmentally friendly than PoW.