Proof-of-work (PoW) | ethereum.org
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An explanation of the proof-of-work consensus protocol and its role in Ethereum.
Proof-of-work (PoW) Copy .md Copy .md Edit page (opens in a new tab) On this page The Ethereum network began by using a consensus mechanism that involved Proof-of-work (PoW) . This allowed the nodes of the Ethereum network to agree on the state of all information recorded on the Ethereum blockchain and prevented certain kinds of economic attacks. However, Ethereum switched off proof-of-work in 2022 and started using proof-of-stake instead. Proof-of-work has now been deprecated. Ethereum no longer uses proof-of-work as part of its consensus mechanism. Instead, it uses proof-of-stake. Read more
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