$BTC Bitcoin (BTC) is the first and most well-known cryptocurrency, created in 2009 by an anonymous figure known as Satoshi Nakamoto. It introduced a decentralized form of money, free from government control and traditional banking systems. Bitcoin operates on blockchain technology, which ensures secure and transparent transactions. With a limited supply of 21 million coins, it is often seen as "digital gold" and a hedge against inflation. Over the years, BTC has grown from a niche idea to a global asset, used for investment, payments, and financial innovation. Its influence continues to shape the future of digital finance.