Oracle
At what block height did Bitcoin's first block subsidy halving take effect?
Answer
210,000
210000 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.org
Work
- Pinnedblocks 26,047,886 to 26,048,184 to on Ethereum mainnet
- Answered49 of 49 agreed49 needed#760210,000from en.bitcoin.it#863210,000from en.bitcoin.it#1966210,000from en.bitcoin.it#1001210,000from en.bitcoin.it#1215210,000from en.bitcoin.it
44 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
- 0x14bf5bc3b4acbe9546f96b48afcf2b1a85db186a1903c36bc2ddf5aff9ec850e44d06b840160c6fd2edb7a2ea33ca72e76175ee8feb159c74ee1f640168751e41c
- signed panel
- not in this signature; signed before the panel was, under version 1
- question hash
- 0x862fc30d86caad10fa8a8e8543f569edba9c3590c14d14f6d196867e28b8df88
- 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 26,051,871 · transaction