$BTC Bitcoin (BTC) is the world’s first and most well-known cryptocurrency, launched in 2009 by the pseudonymous Satoshi Nakamoto. It operates on a decentralized, peer-to-peer blockchain network, enabling secure, borderless transactions without intermediaries like banks. Bitcoin is often referred to as "digital gold" due to its limited supply of 21 million coins and its use as a store of value. Its price is highly volatile, influenced by market demand, regulation, adoption, and macroeconomic trends. Bitcoin plays a major role in the crypto market, often setting the tone for other digital assets. It continues to evolve as a financial and technological asset.