official
Evidence pageProof-of-stake (PoS)
ethereum.org
accessed Sep 18, 2026Updated Sep 19, 2026
Original source
https://ethereum.org/developers/docs/consensus-mechanisms/pos/
ethereum.org
Verification
| Verification | Not yet verified |
| Evidence level | — |
| Source | official |
| Link status | Reachable at last check |
Official claims are statements by the provider; they are not verified by worldwiki unless marked otherwise. Source policy
Cited by (22)
FactProof of Stake: Definition = A way for validators to prove they have put something of value into the network that can be destroyed if they act dishonestlyFactProof of Stake: Ethereum validator deposit = 32 ETHFactProof of Stake: Ethereum slot and epoch length = 12-second slots; 32 slots per epoch; one proposer per slot plus a randomly chosen committeeFactProof of Stake: Finality rule (Ethereum Casper-FFG) = A checkpoint becomes final when 2/3 of staked ETH votes for it; reverting a finalized block would cost an attacker at least 1/3 of all staked ETHAnswerIs blockchain the same as Bitcoin?AnswerWhat is the difference between a public and a private blockchain?AnswerCan a blockchain be hacked or changed?AnswerHow much energy does blockchain use?AnswerWhat is a smart contract on a blockchain?AnswerIs Ethereum the same as ether (ETH)?AnswerWhat was the Ethereum Merge?AnswerHow much ETH do you need to stake on Ethereum?AnswerWhat are Ethereum gas fees and why do they change?AnswerWhat is the difference between Ethereum and Bitcoin?AnswerHow does proof of stake work?AnswerWhat is the difference between proof of stake and proof of work?AnswerWhat is slashing in proof of stake?AnswerIs proof of stake secure?AnswerHow much ETH do you need to stake on Ethereum?ArticleBlockchain: Definition, How It Works, Types, History, Uses and LimitationsArticleEthereum: Definition, How It Works, Ether (ETH), Proof of Stake and Upgrade HistoryArticleProof of Stake (PoS): How It Works, Slashing, Finality and Comparison with Proof of Work