$BTC
$BTC, or Bitcoin, is the first and most well-known cryptocurrency, created by Satoshi Nakamoto in 2009. It operates on a decentralized blockchain, enabling peer-to-peer transactions without intermediaries. With a limited supply of 21 million coins, $BTC is often seen as digital gold and a hedge against inflation. Its price is highly volatile, driven by market demand, global events, and investor sentiment. Bitcoin plays a major role in the crypto ecosystem and financial innovation.