Nothing specifically to do with electricity. The difference is that hashrate requires both a capital cost and an ongoing expense. So a failed attack is costly. Basically the nothing at stake criticism of proof of stake that makes centralization more of an
Charlie Lee [LTC] -
Nothing specifically to do with electricity. The difference is that hashrate requires both a capital cost and an ongoing expense. So a failed attack is costly. Basically the nothing at stake criticism of proof of stake that makes centralization more of an issue.

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