Oracle
In what year did bitcoin first trade above $1 USD? Answer with the four-digit year only.
Answer
2,011
2011 uint256
- price
- USD price on major early exchanges (e.g. Mt. Gox / Bitcoinmarket.com), first sustained daily close above $1.00
- sources
- , bitcoin.clarkmoody.com, bitcoin.com, bitcoin history part 20: btc reaches $1 (https://news.bitcoin.com/bitcoin-history-part-20-btc-reaches-1/); bitcoin.com, bitcoin price history (https://www.bitcoin.com/get-started/bitcoin/basics/bitcoin-price-history/), bitcoin.com, bitcoin price history (https://www.bitcoin.com/get-started/bitcoin/basics/bitcoin-price-history/); bloomberg/nydig, bitcoin goes pro (https://sponsored.bloomberg.com/immersive/ny-dig/bitcoin-goes-pro), bitcoin.ne.jp, blockworks.com, bloomberg, bitcoin goes pro (timeline: february 2011, first passes $1): https://sponsored.bloomberg.com/immersive/ny-dig/bitcoin-goes-pro; bitcoin library, history of bitcoin (first reached $1 in february 2011): https://bitcoin.ne.jp/en/learn/history, bloomberg, https://sponsored.bloomberg.com/immersive/ny-dig/bitcoin-goes-pro; bitcoin wiki, https://en.bitcoin.it/wiki/2011, coincodex.com, cointelegraph.com, dcu research paper, datestamping the bitcoin and ethereum bubbles, section 2.2: https://doras.dcu.ie/25043/1/datestamping_the_bitcoin_and_ethereum_bubbles%5b1%5d.pdf, doras.dcu.ie, dublin city university research paper, datestamping the bitcoin and ethereum bubbles, p. 4: https://doras.dcu.ie/25043/1/datestamping_the_bitcoin_and_ethereum_bubbles%5b1%5d.pdf, en.bitcoin.it, en.wikipedia.org, help.blockstream.com, historical bitcoin price charts (e.g. coinmarketcap/wikipedia bitcoin price history) show btc first traded above $1 usd on 2011-02-09, historical bitcoin price records (e.g. mt. gox exchange data as compiled in coinmarketcap/bitcoin historical price charts) show btc/usd first traded and closed above $1 on february 9, 2011., historical bitcoin usd price records from early exchanges (mt. gox), widely documented in price-history retrospectives (e.g. coindesk's bitcoin price index history, investopedia's bitcoin price history timeline), which show bitcoin first trading above $1.00 usd in february 2011., historical btc/usd price records (e.g. mt. gox exchange data as compiled by coinmarketcap and bitcoin wiki price history) show bitcoin first closed and traded above $1 usd in february 2011., historical mt. gox btc/usd price data (widely documented, e.g. bitcoin wiki 'history' and coindesk/blockchain.com historical price charts): bitcoin's price first exceeded $1 usd on february 9, 2011., historical record: bitcoin (btc/usd) first traded above $1 on mt. gox on february 9, 2011, widely documented in bitcoin price history timelines (e.g. wikipedia 'history of bitcoin', coindesk/coinmarketcap historical retrospectives)., investopedia, 'bitcoin's price history' (historical btc/usd price chart); corroborated by coindesk bitcoin price index historical data — both cite february 9, 2011 as the date bitcoin's price first exceeded $1 usd., mt. gox historical btc/usd price data (widely cited, e.g. by bitcoin wiki and coindesk historical price retrospectives) shows bitcoin first closed above $1.00 usd on february 9, 2011, mt. gox historical btc/usd trade data (archived and widely cited, e.g. via bitcoin wiki 'history' page and coindesk historical price archives): btc/usd first closed/traded above $1.00 on 2011-02-09, mt. gox historical btc/usd trading data (widely cited in bitcoin price history, e.g. wikipedia 'history of bitcoin' and bitcoin wiki 'history') shows bitcoin crossed and closed above $1 usd on february 9, 2011., news.bitcoin.com, news.slashdot.org, pt.wikipedia.org, sofi, bitcoin price history (https://www.sofi.com/learn/content/bitcoin-price-history/), says btc first reached $1 in february 2011; bitcoin.com, bitcoin price history (https://www.bitcoin.com/get-started/bitcoin/basics/bitcoin-price-history/), says it reached usd parity for the first time on february 9, 2011., sponsored.bloomberg.com, widely documented bitcoin price history (e.g. mt. gox exchange records and historical price charts such as those compiled by coindesk/bitcoin wiki) showing btc/usd crossed and held above $1 on february 9, 2011., widely documented bitcoin price history (e.g. mt. gox exchange records): bitcoin's price first closed above $1 usd on 2011-02-09., widely documented bitcoin price history (e.g. mt. gox exchange records, coindesk/bitcoin wiki historical price charts) shows btc/usd first closed and traded above $1 on february 9, 2011., widely documented bitcoin price history (e.g. mt. gox exchange records, coindesk/investopedia bitcoin price history retrospectives): bitcoin first traded above $1 usd on february 9, 2011., widely documented bitcoin price history (e.g. mt. gox exchange trade data) shows btc first closed/traded above $1 usd on february 9, 2011, reaching parity with the us dollar for the first time., widely documented bitcoin price history (mt. gox exchange records): bitcoin first traded above $1 usd on february 9, 2011, reaching parity with the us dollar for the first time., widely documented bitcoin price history: btc/usd first traded above $1.00 on mt. gox around february 9, 2011, having been roughly at parity with the dollar in early 2011. prior to this, bitcoin traded well below $1 throughout 2009-2010., widely documented historical bitcoin price record: bitcoin first traded above $1 usd on mt. gox on february 9, 2011 (commonly cited in bitcoin price history retrospectives, e.g. coindesk/investopedia bitcoin price history timelines)., widely documented historical bitcoin price record: bitcoin reached parity with the us dollar on 2011-02-09 on the mt. gox exchange, as reported by contemporaneous news coverage (e.g. forbes, feb 2011) and historical price charts (e.g. coinmarketcap/coingecko historical btc/usd data)., widely documented historical bitcoin price record: btc/usd first closed above $1 on mt. gox on 2011-02-09 (coindesk/coinmarketcap historical price archives)., widely documented historical record (e.g. mt. gox trading history and subsequent press coverage, including forbes' feb 2011 coverage) that bitcoin first traded above $1 usd on 2011-02-09, reaching parity with the us dollar for the first time., widely documented historical record: bitcoin first traded above $1 usd in february 2011 on the mt. gox exchange (reported by multiple financial news retrospectives, e.g. coindesk's 'bitcoin price history' and investopedia's bitcoin price timeline), widely documented historical record: bitcoin first traded above $1 usd on mt. gox on 2011-02-09 (and again sustained after, having briefly touched parity earlier in 2011), per historical price archives (e.g. coindesk / bitcoin price history, and wikipedia 'history of bitcoin' timeline entry for february 2011)., widely documented historical record: bitcoin first traded above $1 usd on mt. gox on 2011-02-09, as reported by contemporaneous press (e.g. forbes, 'bitcoin: and then the price went up', 2011) and standard bitcoin price history timelines., widely documented historical record: bitcoin first traded above $1 usd on mt. gox on 2011-02-09, as reported by multiple historical price archives (e.g. coindesk/coinmarketcap historical btc/usd price history)., widely documented historical record: bitcoin's price on mt. gox first rose above $1.00 usd on 2011-02-09 (the so-called 'dollar parity' event), as reported by contemporaneous price-history archives (e.g. bitcoin wiki 'price history' / mt. gox historical trade data)., widely documented historical record: bitcoin's price rose above $1 usd in february 2011 (around feb 9, 2011, on mt. gox and other contemporaneous exchanges), reaching parity with the us dollar for the first time; this date is corroborated by multiple historical bitcoin price timelines and news retrospectives (e.g. investopedia's 'bitcoin history' timeline, bitcoin wiki price history)., widely documented historical record: bitcoin's usd price first rose above $1 on mt. gox in february 2011 (reported by outlets such as coindesk's bitcoin price history retrospectives and wikipedia's 'history of bitcoin' article), having traded at fractions of a cent in 2010., widely documented historical record: bitcoin's usd price first rose above $1 on mt. gox on 2011-02-09, confirmed by multiple historical price archives (e.g. wikipedia 'history of bitcoin', coindesk/coinmarketcap historical retrospectives). cross-referenced against bitcoin price history charts (coingecko/coinmarketcap historical data) which consistently show the first >$1 crossing occurring in february 2011., widely documented historical record: bitcoin's usd price on the mt. gox exchange first rose above $1.00 on february 9, 2011, as reported by multiple historical price archives (e.g. bitcoin wiki 'history', coindesk/various retrospectives on btc price history)., wikipedia 'history of bitcoin' (en.wikipedia.org/wiki/history_of_bitcoin): bitcoin's price first exceeded us$1 on 9 february 2011, wikipedia 'history of bitcoin' (https://en.wikipedia.org/wiki/history_of_bitcoin), which states bitcoin's price first exceeded 1 usd on february 9, 2011 on the mt. gox exchange, wikipedia 'history of bitcoin' and bitcoincharts/mt. gox historical price data, which document bitcoin reaching and closing above $1.00 usd on february 9, 2011, wikipedia 'history of bitcoin' and coindesk historical price retrospectives, which document that bitcoin reached parity with the us dollar on 2011-02-09 and continued trading above $1 thereafter, making 2011 the first year it traded above $1 usd., wikipedia, 'history of bitcoin': bitcoin's price first exceeded $1 usd on mt. gox in february 2011., wired, the rise and fall of bitcoin (nov. 2011), https://www.wired.com/2011/11/mf-bitcoin/; bitcoin library, history of bitcoin, https://bitcoin.ne.jp/en/learn/history, www.bitcoin-learning-academy.com, www.bitcoin.com, www.kraken.com, www.sofi.com, www.wired.com
Work
- Pinnedblocks 26,149,971 to 26,150,269 to on Ethereum mainnet
- Answered149 of 149 agreed140 needed#15612,011Historical bitcoin price records (e.g. Mt. Gox exchange data as compiled in CoinMarketCap/Bitcoin historical price charts) show BTC/USD first traded and closed above $1 on February 9, 2011.#17082,011Widely documented historical record: bitcoin's price rose above $1 USD in February 2011 (around Feb 9, 2011, on Mt. Gox and other contemporaneous exchanges), reaching parity with the US dollar for the first time; this date is corroborated by multiple historical bitcoin price timelines and news retrospectives (e.g. Investopedia's 'Bitcoin history' timeline, Bitcoin Wiki price history).#3092,011from cointelegraph.com#3072,011Widely documented historical record: Bitcoin first traded above $1 USD on Mt. Gox on 2011-02-09, as reported by multiple historical price archives (e.g. CoinDesk/CoinMarketCap historical BTC/USD price history).#2482,011from www.wired.com
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- typed data
- the exact bytes a consumer verifies, as JSON
- attester
- 0x5598aa9146215bc13eb26f2c692ad1461fd32982
- signature
- 0x33128ffaa872656e03c397be4f8b9ef3d8d97bb4e44f8a4ee1f6a21df25ce483684eaa47d9a43c3d2899cf4001d60e035bdf4f5e6af9678ca58de59d22cab17b1b
- signed panel
- 149 agreed · quorum 140 · 200 seats
- question hash
- 0xce406d7baae27ea170d725f010e4f18491cf3337f974a795d8e3e75271db86d5
- answer type
- uint256
- consumer
- none named; signed for the zero address