A purely peer-to-peer version of electronic cash would allow online payments to be sent directly from one party to another without going through a financial institution. Digital signatures provide part of the solution, but the main benefits are lost if a trusted third party is still required to prevent double-spending. [1]
| Unit | Abbreviation | Decimal (BTC) | Alternate names |
|---|---|---|---|
| mega-bitcoin | MBTC | 1,000,000 | |
| kilo-bitcoin | kBTC | 1,000 | |
| hecto-bitcoin | hBTC | 100 | |
| deca-bitcoin | daBTC | 10 | |
| bitcoin | BTC | 1 | coin |
| deci-bitcoin | dBTC | 0.1 | |
| centi-bitcoin | cBTC | 0.01 | bitcent |
| milli-bitcoin | mBTC | 0.001 | millibit, millie |
| micro-bitcoin | μBTC | 0.000001 | bit |
| satoshi | sat | 0.00000001 | satoshi |