$BTC Bitcoin ($BTC) is the world’s first and most well-known cryptocurrency, launched in 2009 by an anonymous entity known as Satoshi Nakamoto. It operates on a decentralized, peer-to-peer network using blockchain technology, allowing users to send and receive digital value without intermediaries like banks. Bitcoin is limited to a supply of 21 million coins, contributing to its appeal as a store of value. Often referred to as "digital gold," Bitcoin has sparked a global movement toward decentralized finance. Its price is volatile, influenced by market demand, adoption trends, regulations, and macroeconomic conditions. It remains a key asset in the crypto ecosystem.