PoW in conjunction with blockchain is anti-efficiency by design. It’s a principle of the ledger’s security and an inevitability that mature networks waste energ

PoW in conjunction with blockchain is anti-efficiency by design. It’s a principle of the ledger’s security and an inevitability that mature networks waste energy in exchange for that. Anyone serious about this topic needs to think beyond blockchain into fundamentally different technologies, like Nano, or things which forego decentralization entirely.