I think Cardano (ADA) which is releasing https://roadmap.cardano.org/en/goguen/ very soon will be where the miners go, to stake vs. mine that is. ETH 2.0 has issues https://news.ycombinator.com/item?id=26936244 but ADA from get go has been a stake culture. And stake means no more wasted electricity. It's like Satoshi Nakamoto back in 2008 had this great idea, then Vitalik Buterin had a +1 idea but Charles Hoskinson is fixing this whole proof of work mistake from years ago.