bitcoin
noun /ˈbɪtkɔɪn/
/ˈbɪtkɔɪn/
(abbreviation BTC)
- [uncountable] a system of electronic money, used for buying and selling online and without the need for a central bank
- Bitcoin is traded on online exchanges.
- [countable] a unit of the bitcoin electronic system of money
- There are more than 6.5 million bitcoins in circulation.