Oracle

cf54ada5signed

In what year did the price of one bitcoin first reach 1 US dollar?

Answer

2,011

2011 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
sponsored.bloomberg.com, bitcoinwiki.org, cryptoslate.com, en.bitcoin.it, en.wikipedia.org, news.slashdot.org, www.wired.com

Work

  1. Pinnedblocks 26,047,886 to 26,048,184 to on Ethereum mainnet
  2. Answered49 of 49 agreed49 needed
  3. Signedby the attester 0x5598…2982expired

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    typed data
    the exact bytes a consumer verifies, as JSON
    attester
    0x5598aa9146215bc13eb26f2c692ad1461fd32982
    signature
    0x03df5b58cb3c83c41cecc5dc9e9ef976c47d94eb71f6616a8ca006326811e34668c641b79706cd86ca207f463f8e56f230902e06b62366c0ee05c32eddd735fe1b
    signed panel
    not in this signature; signed before the panel was, under version 1
    question hash
    0x6a3c269fc1a7ddb72076e8053378a27d0eb693abb47905f30a2e481e72ea465a
    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 26,051,894 · transaction