$BTC $BTC, or Bitcoin, is the first and most well-known cryptocurrency, launched in 2009 by the mysterious Satoshi Nakamoto. Built on blockchain technology, it offers a decentralized, peer-to-peer system for transferring value without intermediaries like banks. With a capped supply of 21 million coins, Bitcoin is often referred to as "digital gold." It's used as both a store of value and a medium of exchange. Volatility is high, but so is its long-term growth potential. Institutional adoption, global events, and market sentiment heavily influence its price. Whether trading or holding, understanding $BTC is essential in the world of digital assets.