Oracle
In what year did Bitcoin's first block subsidy halving happen?
Answer
2,012
2012 uint256
- answer
- the four-digit calendar year (UTC), 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
- bitcoin.org, blockstream.info, en.bitcoin.it, www.blockchain.com
Work
- Pinnedblocks 26,047,886 to 26,048,184 to on Ethereum mainnet
- Answered50 of 50 agreed49 needed#19062,012from bitcoin.org#10792,012from blockstream.info#3292,012from blockstream.info#4702,012from en.bitcoin.it#15612,012from en.bitcoin.it
45 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
- 0xc4f44bc97e6dcc511eccd2511d3b5f94103886b138a1bafb0db8757240bede721d87d23901b273cf4b37ea6cee69fd4a1b8947cd4d28de7bd40a81552661ca8e1c
- signed panel
- not in this signature; signed before the panel was, under version 1
- question hash
- 0x288259bfe989e2103d9a220ef1b7922ae2b168de78bd19c71be890e9cba30bde
- 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 26,051,874 · transaction