Oracle
Which Ethereum upgrade in August 2021 introduced EIP-1559? Answer with the name only.
Answer
London
- sources
- blog.ethereum.org, eips.ethereum.org, en.wikipedia.org, ethereum foundation blog post "ethereum's london upgrade and eip-1559" (2021-08-04) and the ethereum execution specs changelog, both identifying the august 2021 network upgrade that introduced eip-1559 as the "london" upgrade., ethereum foundation blog post "ethereum's london upgrade goes live mainnet on august 5" (blog.ethereum.org) and the ethereum.org history page, both stating the london upgrade (block 12,965,000, activated august 5, 2021) introduced eip-1559., ethereum foundation blog post "ethereum's london upgrade is live!" (august 5, 2021, blog.ethereum.org), confirming the london hard fork (block 12,965,000) introduced eip-1559, ethereum foundation blog post "ethereum's london upgrade is live" (august 5, 2021), confirming the london upgrade activated at block 12,965,000 and introduced eip-1559., ethereum foundation blog post "ethereum's london upgrade is live" (blog.ethereum.org, aug 2021) and the eip-1559 specification, both naming the london hard fork as the upgrade that introduced eip-1559 on mainnet., ethereum foundation blog post "ethereum's london upgrade is live" (ethereum.org/en/history, blog.ethereum.org), confirming the london hard fork activated august 5, 2021 and introduced eip-1559., ethereum foundation blog post "ethereum's london upgrade launches august 5, 2021" (blog.ethereum.org), and the eip-1559 specification (eips.ethereum.org/eips/eip-1559), both stating eip-1559 was activated as part of the london network upgrade on august 5, 2021., ethereum foundation blog post "ethereum's london upgrade launches today" (ethereum.org blog, august 5, 2021) stating the london upgrade activated at block 12,965,000 and included eip-1559, ethereum foundation blog post "ethereum's london upgrade" (blog.ethereum.org) and widely reported coverage (e.g. coindesk, "ethereum's london hard fork goes live, introducing new transaction fee structure", 2021-08-05) confirming the london upgrade activated at block 12,965,000 on 2021-08-05 and included eip-1559., ethereum foundation blog post 'ethereum's london upgrade and eip-1559' (blog.ethereum.org), and the eip-1559 specification (eips.ethereum.org/eips/eip-1559), both identifying the london network upgrade, activated at block 12,965,000 on 2021-08-05, as the upgrade that introduced eip-1559, ethereum foundation blog post 'ethereum's london upgrade is live' (august 2021) and the eip-1559 specification, both of which identify the london hard fork (activated at block 12965000 on 2021-08-05) as the upgrade that introduced eip-1559., ethereum foundation blog post 'ethereum's london upgrade is now live!' (ethereum.org/en/history/, august 5 2021), which states the london upgrade activated eip-1559 at block 12965000, ethereum foundation blog post 'mainnet london upgrade announcement' (blog.ethereum.org, 2021-07) and the ethereum.org history page, both stating the london upgrade (activated 2021-08-05 at block 12,965,000) introduced eip-1559., ethereum foundation blog, "ethereum's london upgrade goes live today" (august 5, 2021) — states the london hard fork, activated at block 12,965,000 on august 5, 2021, introduced eip-1559., ethereum foundation blog, "ethereum's london upgrade goes live" (ethereum.org blog, aug 2021): eip-1559 was activated as part of the london network upgrade on august 5, 2021, at block 12,965,000., ethereum foundation blog, "ethereum's london upgrade goes live" (ethereum.org/en/history and blog.ethereum.org), confirming the london upgrade activated on mainnet at block 12,965,000 on august 5, 2021 and introduced eip-1559., ethereum foundation blog, "ethereum's london upgrade mainnet announcement" (ethereum.org/en/history, blog.ethereum.org, 2021-08-05): the london network upgrade activated at mainnet block 12,965,000 on 2021-08-05 and introduced eip-1559., ethereum foundation blog, 'ethereum london upgrade announcement' (august 2021) — the london hard fork, activated at block 12,965,000 on 2021-08-05, bundled eip-1559 (fee market change) along with eip-3198, eip-3529, eip-3541, and eip-3554., ethereum foundation blog, 'ethereum london upgrade announcement' (blog.ethereum.org, 2021-07-27), and ethereum.org 'london upgrade' documentation page — both state the london hard fork activated on mainnet at block 12,965,000 on 2021-08-05 and introduced eip-1559., ethereum foundation blog, 'ethereum's london upgrade is live' (https://blog.ethereum.org/2021/07/15/london-mainnet-announcement) and ethereum.org history page documenting the london upgrade (activated 2021-08-05, block 12965000) as the upgrade that introduced eip-1559, ethereum foundation blog, 'ethereum's london upgrade is live' (https://blog.ethereum.org/2021/08/05/london-mainnet-announcement), confirming eip-1559 was included in the london hard fork activated august 5, 2021 at block 12,965,000, ethereum foundation blog, 'ethereum's london upgrade launches august 5' (blog.ethereum.org), and the eip-1559 specification, which both identify the august 5, 2021 upgrade activating eip-1559 as the 'london' upgrade (activated at block 12,965,000)., ethereum foundation blog, 'ethereum's london upgrade' (announcing the london hard fork, activated 2021-08-05 at block 12965000, which included eip-1559), ethereum foundation blog, 'mainnet london upgrade announcement' (2021-07), confirming the london upgrade activated on ethereum mainnet on 2021-08-05 at block 12965000 and included eip-1559, ethereum foundation, london mainnet announcement (2021-07-15): https://blog.ethereum.org/2021/07/15/london-mainnet-announcement, ethereum foundation, london mainnet announcement (https://blog.ethereum.org/en/2021/07/15/london-mainnet-announcement); ethereum.org, timeline of all ethereum forks (https://ethereum.org/ethereum-forks/), ethereum foundation, london mainnet announcement (july 15, 2021): https://blog.ethereum.org/2021/07/15/london-mainnet-announcement, ethereum foundation, london mainnet announcement: https://blog.ethereum.org/2021/07/15/london-mainnet-announcement, ethereum foundation, london mainnet announcement: https://blog.ethereum.org/2021/07/15/london-mainnet-announcement (lists eip-1559 among london upgrade eips)., ethereum foundation, london mainnet announcement: https://blog.ethereum.org/2021/07/15/london-mainnet-announcement (lists eip-1559 among the london upgrade eips), ethereum.org, ethereum.org eip-1559 faq and the ethereum.org history of upgrades page both state that the london upgrade, activated on august 5, 2021, introduced eip-1559 (the fee market change with base fee and burn)., ethereum.org history / eip-1559 specification: the london hard fork, activated at block 12,965,000 on 2021-08-05, introduced eip-1559 (base fee burn mechanism), ethereum.org history of network upgrades (ethereum.org/en/history) and eip-1559 specification, which both state the london upgrade, activated 2021-08-05 at block 12965000, introduced eip-1559., ethereum.org history of protocol upgrades (ethereum.org/en/history) — the london upgrade, activated on mainnet at block 12,965,000 on august 5, 2021, introduced eip-1559., ethereum.org history of upgrades (https://ethereum.org/en/history/#london) — the london upgrade, activated on mainnet at block 12,965,000 on 2021-08-05, introduced eip-1559 (fee market change)., ethereum.org history of upgrades page (ethereum.org/en/history/) and the ethereum foundation blog post 'ethereum's london upgrade is live' (aug 5, 2021), both stating the london upgrade introduced eip-1559, ethereum.org upgrade history and eip-1559 specification both state the london upgrade (activated 2021-08-05 at block 12965000) introduced eip-1559, ethereum.org, timeline of all ethereum forks (https://ethereum.org/ethereum-forks/), and ethereum foundation, london mainnet announcement (https://blog.ethereum.org/en/2021/07/15/london-mainnet-announcement); both state that london introduced/included eip-1559., ethereum.org, timeline of all ethereum forks, https://ethereum.org/ethereum-forks/ (london entry states that the london upgrade introduced eip-1559)., wikipedia, "ethereum", network upgrades section: 'the second was "london", which took effect on 5 august [2021]. the london upgrade included ethereum improvement proposal ("eip") 1559...' (https://en.wikipedia.org/wiki/ethereum), accessed 2026-10-08., wikipedia, ethereum, https://en.wikipedia.org/wiki/ethereum : "the second was \"london\", which took effect on 5 august. the london upgrade included ethereum improvement proposal (\"eip\") 1559, a mechanism for reducing transaction fee volatility."
Work
- Pinnedblocks 26,149,968 to 26,150,266 to on Ethereum mainnet
- Answered148 of 148 agreed140 needed#1681Londonfrom blog.ethereum.org#501Londonfrom blog.ethereum.org#1462Londonfrom ethereum.org#1804Londonfrom blog.ethereum.org#1953Londonfrom blog.ethereum.org
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Signedby the attester 0x5598…2982usable until
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- typed data
- the exact bytes a consumer verifies, as JSON
- attester
- 0x5598aa9146215bc13eb26f2c692ad1461fd32982
- signature
- 0x18d288d704d4e142c19410c5a3e4ede1764deed7d3c9cfa463ee579698177b841eff39adeff3ce0abe64dea8719e6f5f41b09a83e394542184819a3be02746691c
- signed panel
- 148 agreed · quorum 140 · 200 seats
- question hash
- 0x4cfaa0151cf9a8212924e33ee3c89cd6f781bda9c24d660b53226e2528d0db7a
- answer type
- bytes32
- consumer
- none named; signed for the zero address