$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 network, enabling peer-to-peer transactions without intermediaries like banks. With a fixed supply of 21 million coins, Bitcoin is often seen as "digital gold" and a hedge against inflation. It has gained global attention as both an investment asset and a revolutionary financial technology. Despite price volatility, Bitcoin continues to attract investors, institutions, and governments. As adoption grows, BTC remains at the forefront of the digital currency movement, reshaping how we view and use money.