User:Chek2fire/sandbox

Bitcoin
	Prevailing bitcoin logo
Denominations
Plural	bitcoins
Symbol	₿
Code	BTC, XBT
Subunits
1⁄1000	millibitcoin
1⁄100000000	satoshi
Development
Original author(s)	Satoshi Nakamoto
White paper	"Bitcoin: A Peer-to-Peer Electronic Cash System"
Implementation(s)	Bitcoin Core
Initial release	0.1.0 / 9 January 2009 (15 years ago)
Latest release	0.16.2 / 29 July 2018 (5 years ago)
Ledger
Ledger start	3 January 2009 (15 years ago)
Timestamping scheme	Proof-of-work (partial hash inversion)
Hash function	SHA-256
Issuance schedule	Decentralized (block reward)
Block reward	₿12.5
Block time	10 minutes
Block explorer	www.blockchain.com
Circulating supply	₿16,858,762 (as of 11 February 2018)
Supply limit	₿21,000,000
Website
Website	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. ; ^ Compatible with ISO 4217. ; ^ July 2016 to approximately June 2020, halved approximately every four years ;

^ "Unicode 10.0.0". Unicode Consortium. 20 June 2017. Archived from the original on 20 June 2017. Retrieved 20 June 2017.
^ Jason Mick (12 June 2011). "Cracking the Bitcoin: Digging Into a $131M USD Virtual Currency". Daily Tech. Archived from the original on 20 January 2013. Retrieved 30 September 2012.
^ Cite error: The named reference paper was invoked but never defined (see the help page).
^ "Releases - bitcoin/bitcoin". Retrieved 29 July 2018 – via GitHub.
^ "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.
^ 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.
^ Satoshi; et al. (1 April 2016). "Bitcoin source code - amount constraints". GitHub. {{cite web}}: Explicit use of et al. in: |last= (help)