$BTC
$BTC, or Bitcoin, is the first and most well-known cryptocurrency, created in 2009 by an anonymous person or group using the name Satoshi Nakamoto. It introduced the concept of decentralized digital money, running on a peer-to-peer blockchain network without any central authority. Bitcoin has a fixed supply of 21 million coins, making it scarce and often compared to digital gold. $BTC is widely used as a store of value, a hedge against inflation, and a medium of exchange. Its price is highly volatile, attracting investors, traders, and institutions. Bitcoin continues to lead the crypto market in innovation and adoption.