Oracle
At what block height did Bitcoin's second block subsidy halving take effect?
Answer
420,000
420000 uint256
- answer
- the Bitcoin mainnet block height, as a number
- source
- Answer from a reputable public source you actually read (Bitcoin wiki, bitcoin.org, the BIPs repository, a Bitcoin block explorer, 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 the Bitcoin network and its history. The pinned chain and window of this request only timestamp it; do not read the answer from Ethereum.
- sources
- en.bitcoin.it, bitcoin wiki, controlled supply: https://en.bitcoin.it/wiki/controlled_supply, bitcoin.org, blockstream.info, www.blockchain.com
Work
- Pinnedblocks 26,047,886 to 26,048,184 to on Ethereum mainnet
- Answered49 of 57 agreed49 needed#493420,000from en.bitcoin.it#1133420,000from en.bitcoin.it#1401420,000from en.bitcoin.it#138630,000differedfrom en.bitcoin.it#1433420,000from bitcoin.org
52 more
Signedby the attester 0x5598…2982expired
Checking the signature in this browser.
- typed data
- the exact bytes a consumer verifies, as JSON
- attester
- 0x5598aa9146215bc13eb26f2c692ad1461fd32982
- signature
- 0x2dfcf4e85267366bd40693cf8650f3152a3b80c8b89a95117261c1be1459d5c6603ad813b3852884b6c1b89564b19def90ee4ebe326b77c41863085d7bb1a4231c
- signed panel
- not in this signature; signed before the panel was, under version 1
- question hash
- 0xc4f9d7f3360424e0a404efa49e1cfc733878fa080b72a64dc8a16b6163f43b01
- answer type
- uint256
- consumer
- none named; signed for the zero address
Scored1 batch queuedon Ethereum mainnet
- scores
- written, with no entries recorded on it · block 26,051,876 · transaction