$BTC Bitcoin (BTC) is the world’s first and most popular cryptocurrency, launched in 2009 by the mysterious Satoshi Nakamoto. It operates on a decentralized blockchain, allowing peer-to-peer transactions without the need for banks or intermediaries. With a fixed supply of 21 million coins, Bitcoin is often seen as digital gold and a hedge against inflation. Its price is highly volatile, driven by market demand, global events, and investor sentiment. Bitcoin has sparked a financial revolution, inspiring thousands of other cryptocurrencies and reshaping how people view money, investment, and digital ownership in the modern age.