There are coins like Chia that were built around "wasting disk space" proof-of-work rather than the "wasting {C/GPU|ASIC} cycles" PoW that Bitcoin uses (and Eth

There are coins like Chia that were built around "wasting disk space" proof-of-work rather than the "wasting {C/GPU|ASIC} cycles" PoW that Bitcoin uses (and Ethereum used to use.)