Proof of work is not a consensus model, it's a method to elect a block author, a... | Hacker News

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		julioademar on Jan 15, 2021 \| parent \| context \| favorite \| on: Smart contracts on Bitcoin Proof of work is not a consensus model, it's a method to elect a block author, an incentive mechanism designed to keep miners honest. Consensus is the process through which the network agrees on state. Examples are Nakamoto consensus (e.g. Bitcoin), BFT (e.g. Tendermind) or GRANDPA+BABE (Polkadot).

littlestymaar on Jan 15, 2021 [–]

I think the GP meant: “the security comes from a consensus, not from proof of work”.

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