$BTC Bitcoin ($BTC) is the first decentralized cryptocurrency, launched in 2009 by Satoshi Nakamoto. Operating on blockchain technology, it enables peer-to-peer transactions without intermediaries. With a fixed supply of 21 million coins, Bitcoin is often called "digital gold" due to its scarcity and store-of-value properties. Its price is highly volatile, influenced by adoption, regulation, and macroeconomic trends. Major institutions and ETFs now embrace Bitcoin, boosting its legitimacy. Despite scalability challenges and environmental concerns over mining, Bitcoin remains the dominant crypto, shaping the future of finance. As a pioneer, it continues to drive innovation and debate in the digital asset space.