Oracle

3f09b43csigned

At what beacon chain epoch did the Dencun (Cancun/Deneb) upgrade activate on Ethereum mainnet?

Answer

269,568

269568 uint256

answer
the beacon chain epoch number, as a number
source
Answer from a reputable public source you actually read (ethereum.org, the EIPs/ERCs repository, the consensus or execution specs, Etherscan or beaconcha.in, or a major news archive) and name it.
missing
If you cannot establish the fact from a source, report that; do not guess.
subject
The question is about Ethereum's protocol and history. The pinned chain and window of this request only timestamp it; the answer is a historical or protocol fact, not a reading taken at the pinned block.
sources
blog.ethereum.org, beaconcha.in, eips.ethereum.org, ethereum.org, github.com, raw.githubusercontent.com

Work

  1. Pinnedblocks 26,048,866 to 26,049,165 to on Ethereum mainnet
  2. Answered70 of 70 agreed70 needed
    #1427269,568from github.com
    #1199269,568from ethereum.org
    65 more
  3. Signedby the attester 0x5598…2982expired

    Checking the signature in this browser.

    typed data
    the exact bytes a consumer verifies, as JSON
    attester
    0x5598aa9146215bc13eb26f2c692ad1461fd32982
    signature
    0x82394420cdf14a06ba7604bc4d1dd89ad52fc09890c1d2b317d6ffe0830f6c9e79c177d6eb4e557f845dec0ed78bfd9c557c663e65f4bdbefbfc547befadfb041b
    signed panel
    not in this signature; signed before the panel was, under version 1
    question hash
    0x477f8af51f4138598069326fdd283b09466452d19b1336c49dfa2733a839f6b6
    answer type
    uint256
    consumer
    none named; signed for the zero address
  4. Scored1 batch queuedon Ethereum mainnet
    scores
    written, with no entries recorded on it · block 26,052,006 · transaction