$BTC Bitcoin is the most popular cryptocurrency, and it is not just a medium of exchange, in addition to the volume of data and air. It uses open-source technology and is not subject to central authority. Thus, an individual does not become a monopoly without network control. This world is shareable. Bitcoin was created in 2008 by a person or group known as Satoshi Nakamoto, whose true identity has always been linked. The Bitcoin supply is limited to 21 million units.$BTC