$BTC Bitcoin (BTC) is the world’s first and largest cryptocurrency, created in 2009 by the pseudonymous Satoshi Nakamoto. It operates on a decentralized blockchain network, secured by proof-of-work mining. BTC is often called "digital gold" due to its limited supply of 21 million coins. It is widely used for transactions, investment, and as a hedge against inflation. Bitcoin’s value fluctuates based on market demand, adoption, and macroeconomic factors. Institutional interest and regulatory developments continue to shape its future. Despite volatility, Bitcoin remains the most influential and recognized digital asset globally.