$BTC Bitcoin (BTC) is the world’s first and most well-known cryptocurrency, launched in 2009 by the anonymous creator Satoshi Nakamoto. It operates on a decentralized blockchain network, allowing peer-to-peer transactions without the need for intermediaries like banks. Bitcoin is limited to 21 million coins, making it a deflationary asset and often compared to digital gold. It is widely used as a store of value, investment asset, and sometimes for payments. BTC’s price is highly volatile but has shown long-term growth, attracting both institutional and retail investors. Its role in the financial system continues to grow.