Proof of stake, or delegated proof of stake, or proof of authority, they're basically the same thing, and have been working fine for years. caveat: I founded an

Proof of stake, or delegated proof of stake, or proof of authority, they're basically the same thing, and have been working fine for years. caveat: I founded an ETH fork that does this stuff as well. Even ETH itself is working towards ETH 2.0 which also uses proof of stake.