$BTC Bitcoin ($BTC), launched in 2009 by Satoshi Nakamoto, is the first and largest cryptocurrency in the world. Operating on a decentralized blockchain, $BTC ensures transparency and security. With a limited supply of 21 million coins, Bitcoin is seen as 'digital gold', attracting global investors. The price $BTC once peaked near $103,000 in 2021 and has been highly volatile due to market sentiment, policies, and inflation. Despite facing controversy over energy consumption, it remains a symbol of decentralized finance, driving innovation in blockchain technology.