$BTC Bitcoin (BTC) is the first asset of the cryptocurrency industry. In the years since its launch in 2009, Bitcoin has driven the growth and adoption of cryptocurrencies, leading to today's industry. BTC has a maximum supply of 21 million coins, a notable point of focus when discussing the value of BTC. The price of Bitcoin has been a prevalent topic throughout the history of the asset, with fluctuations in the price of BTC occurring dramatically.