![]()
Official logo of Bitcoin
|
|
Denominations | |
---|---|
Plural | Bitcoins |
Symbol | ₿ (Unicode: U+20BF ₿ BITCOIN SIGN)[a] |
Code | BTC,[b] XBT[c] |
Precision | 10−8 |
Subunits | |
1⁄1000 | Millibitcoin |
1⁄1000000 | Microbitcoin |
1⁄100000000 | Satoshi[2] |
Development | |
Original author(s) | Satoshi Nakamoto |
White paper | "Bitcoin: A Peer-to-Peer Electronic Cash System"[3] |
Implementation(s) | Bitcoin Core |
Initial release | 0.1.0 / 9 January 2009 (14 years ago) (2009-01-09) |
Latest release | 24.0.1 / 12 December 2022 (3 months ago) (2022-12-12)[4] |
Code repository | github |
Development status | Active |
Source model | Free and open-source software |
License | MIT License |
Ledger | |
Ledger start | 3 January 2009 (14 years ago) (2009-01-03) |
Timestamping scheme | Proof-of-work (partial hash inversion) |
Hash function | SHA-256 (two rounds) |
Issuance schedule | Decentralized (block reward) Initially ₿50 per block, halved every 210,000 blocks[5] |
Block reward | ₿6.25[d] |
Block time | 10 minutes |
Circulating supply | ₿18,925,000[e] |
Supply limit | ₿21,000,000[6][f] |
Valuation | |
Exchange rate | Floating |
Demographics | |
Official user(s) | |
Website | |
Website | bitcoin |
|
![]()
Official logo of Bitcoin
|
|
Denominations | |
---|---|
Plural | Bitcoins |
Symbol | ₿ (Unicode: U+20BF ₿ BITCOIN SIGN)[a] |
Code | BTC,[b] XBT[c] |
Precision | 10−8 |
Subunits | |
1⁄1000 | Millibitcoin |
1⁄1000000 | Microbitcoin |
1⁄100000000 | Satoshi[2] |
Development | |
Original author(s) | Satoshi Nakamoto |
White paper | "Bitcoin: A Peer-to-Peer Electronic Cash System"[3] |
Implementation(s) | Bitcoin Core |
Initial release | 0.1.0 / 9 January 2009 (14 years ago) (2009-01-09) |
Latest release | 24.0.1 / 12 December 2022 (3 months ago) (2022-12-12)[4] |
Code repository | github |
Development status | Active |
Source model | Free and open-source software |
License | MIT License |
Ledger | |
Ledger start | 3 January 2009 (14 years ago) (2009-01-03) |
Timestamping scheme | Proof-of-work (partial hash inversion) |
Hash function | SHA-256 (two rounds) |
Issuance schedule | Decentralized (block reward) Initially ₿50 per block, halved every 210,000 blocks[5] |
Block reward | ₿6.25[d] |
Block time | 10 minutes |
Circulating supply | ₿18,925,000[e] |
Supply limit | ₿21,000,000[6][f] |
Valuation | |
Exchange rate | Floating |
Demographics | |
Official user(s) | |
Website | |
Website | bitcoin |
|