$BTC Bitcoin ($BTC) is the first and most well-known cryptocurrency, launched in 2009 by an anonymous person or group known as Satoshi Nakamoto. It operates on a decentralized network using blockchain technology, which ensures transparency and security without the need for intermediaries like banks. Bitcoin is often seen as digital gold due to its limited supply of 21 million coins and is used for peer-to-peer transactions, investment, and as a store of value. Its price is highly volatile, influenced by market demand, regulations, and macroeconomic factors. Bitcoin has sparked the growth of the entire cryptocurrency industry and financial innovation worldwide.