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Cryptocurrency
bitcoin Prevailing bitcoin logo
Plural bitcoins Symbol ₿[ a] Code BTC, XBT[ b] Precision 10−8 Subunits 1 ⁄ 1000 millibitcoin[ 2] 1 ⁄ 100000000 satoshi[ 3] Original author Satoshi Nakamoto White paper Bitcoin: A Peer-to-Peer Electronic Cash System[ 4] Implementation Bitcoin Core Initial release 0.1.0 / 9 January 2009; 17 years ago (2009-01-09 ) Latest release 0.15.1 / 11 November 2017; 8 years ago (2017-11-11 ) Code repository github .com /bitcoin /bitcoin Development status Active Project fork of Original Written in C++ Operating system Windows , macOS , Linux Source model Open source License MIT License Genesis block 3 January 2009 (17 years ago) (2009-01-03 ) Block #1 9 January 2009 (17 years ago) (2009-01-09 ) Timestamping scheme Proof-of-work (partial hash inversion)Hash function SHA-256 Issuance schedule decentralized , block reward[ 5] [ 6] Block reward ₿12.5[ c] Block time 10 minutes Block explorer blockchain.info blockexplorer.com Circulating supply ₿16,770,512 (as of 29 December 2017[ update] ) Supply limit ₿21,000,000 Exchange rate $14,516.40 USD (as of 29 December 2017[ update] ) Authority website iaw:bitcoin.com Website w:bitcoin.org
↑ The symbol was encoded in Unicode version 10.0 at position U+20BF ₿ BITCOIN SIGN in the Currency Symbols block in June 2017.[ 1]
↑ Compatible with ISO 4217
↑ July 2016 to approximately June 2020, halved approximately every four years
Cryptocurrency
bitcoin Prevailing bitcoin logo
Plural bitcoins Symbol ₿[ a] Code BTC, XBT[ b] Precision 10−8 Subunits 1 ⁄ 1000 millibitcoin[ 2] 1 ⁄ 100000000 satoshi[ 3] Original author(s) Satoshi Nakamoto White paper Bitcoin: A Peer-to-Peer Electronic Cash System[ 4] Implementation(s) Bitcoin Core Initial release 0.1.0 / 9 January 2009; 17 years ago (2009-01-09 ) Latest release 0.15.1 / 11 November 2017; 8 years ago (2017-11-11 ) Code repository github .com /bitcoin /bitcoin Development status Active Project fork of Original Written in C++ Operating system Windows , macOS , Linux Source model Open source License MIT License Genesis block 3 January 2009 (17 years ago) (2009-01-03 ) Block #1 9 January 2009 (17 years ago) (2009-01-09 ) Timestamping scheme Proof-of-work (partial hash inversion)Hash function SHA-256 Issuance schedule decentralized , block reward[ 5] [ 6] Block reward ₿12.5[ c] Block time 10 minutes Block explorer blockchain.info blockexplorer.com Circulating supply ₿16,770,512 (as of 29 December 2017[ update] ) Supply limit ₿21,000,000 Exchange rate $14,516.40 USD (as of 29 December 2017[ update] ) Authority website iaw:bitcoin.com Website w:bitcoin.org
↑ The symbol was encoded in Unicode version 10.0 at position U+20BF ₿ BITCOIN SIGN in the Currency Symbols block in June 2017.[ 1]
↑ Compatible with ISO 4217
↑ July 2016 to approximately June 2020, halved approximately every four years
References
These references will appear in the article, but this list appears only on this page.
1 2 "Unicode 10.0.0" . Unicode Consortium. 20 June 2017. Archived from the original on 20 June 2017. Retrieved 20 June 2017 .
1 2 Siluk, Shirley (2 June 2013). "June 2 "M Day" promotes millibitcoin as unit of choice" . CoinDesk . Archived from the original on 7 August 2017. Retrieved 25 May 2017 .
1 2 Jason Mick (12 June 2011). "Cracking the Bitcoin: Digging Into a $131M USD Virtual Currency" . Daily Tech. Retrieved 30 September 2012 . {{cite web }}: CS1 maint: deprecated archival service (link )
1 2 Nakamoto, Satoshi (31 October 2008). "Bitcoin: A Peer-to-Peer Electronic Cash System" (PDF) . bitcoin.org. Archived (PDF) from the original on 20 March 2014. Retrieved 28 April 2014 .
1 2 "Statement of Jennifer Shasky Calvery, Director Financial Crimes Enforcement Network United States Department of the Treasury Before the United States Senate Committee on Banking, Housing, and Urban Affairs Subcommittee on National Security and International Trade and Finance Subcommittee on Economic Policy" (PDF) . fincen.gov . Financial Crimes Enforcement Network. 19 November 2013. Archived (PDF) from the original on 9 October 2016. Retrieved 1 June 2014 .
1 2 Empson, Rip (28 March 2013). "Bitcoin: How An Unregulated, Decentralized Virtual Currency Just Became A Billion Dollar Market" . TechCrunch . AOL inc. Archived from the original on 9 October 2016. Retrieved 8 October 2016 .
1 2 3 4 "Official source code" . Github. Retrieved May 14, 2014 .
1 2 Buterin, Vitalik (September 26, 2013). "Ripple is officially open source" . Bitcoin Magazine . Coin Publishing Ltd. Retrieved January 25, 2014 .