$BTC $BTC, the ticker symbol for Bitcoin, represents the first and most well-known cryptocurrency. Launched in 2009 by the pseudonymous Satoshi Nakamoto, Bitcoin is a decentralized digital currency that operates without a central authority. It uses blockchain technology to ensure transparency, security, and immutability of transactions. With a fixed supply of 21 million coins, Bitcoin is often seen as "digital gold" and a hedge against inflation. It has become a global store of value, widely adopted by individuals, institutions, and even some governments. $BTC plays a central role in the cryptocurrency market, influencing trends and shaping the future of finance.