official
Evidence pageThe Merge
ethereum.org
accessed Sep 18, 2026Updated Sep 19, 2026
Original source
https://ethereum.org/roadmap/merge/
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 (32)
FactBlockchain: Notable consensus change (official claim) = Ethereum mainnet moved from proof of work to proof of stake (the Merge)FactBlockchain: Ethereum energy reduction after the Merge (official claim) = About 99.95% (figure stated by the Ethereum project) percentFactBlockchain Mainnet: Example of a major mainnet upgrade = Ethereum's Merge (switch to proof-of-stake) ran on mainnet on 2022-09-15, after testnet merges such as RopstenFactEthereum: Beacon Chain launch (official claim) = 2020-12-01FactEthereum: The Merge (switch from proof-of-work) (official claim) = 2022-09-15FactEthereum: Energy reduction after The Merge (official claim) = About 99.95 %FactProof of Stake: Ethereum switch to PoS (The Merge) = 2022-09-15FactProof of Stake: Estimated energy reduction on Ethereum after the switch = ~99.95 %AnswerIs 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?AnswerWhat is the difference between mainnet and testnet?AnswerWhat does mainnet launch mean in crypto?AnswerAre testnet tokens worth real money?AnswerHow are blockchain mainnet upgrades done?AnswerWhat is Ethereum mainnet chain ID?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 LimitationsArticleBlockchain Mainnet: Definition, Mainnet vs Testnet, Launches and Network UpgradesArticleEthereum: 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