4 ms·It wastes energy compared to POS (Proof of Stake).by atomical 9y agoIt wastes energy compared to POS (Proof of Stake).pmorici 9y agoIs there a working implementation of POS yet?atomical 9y agoIt will likely happen this year with Tezos. Ethereum will eventually use POS as well.pmorici 9y agoSo, no.atomical 9y agoDepends if you count the test nets I suppose.