$BTC Bitcoin (BTC) is the first decentralized cryptocurrency, created in 2009 by the mysterious figure Satoshi Nakamoto. It runs on a peer-to-peer network using blockchain technology, which records all transactions transparently and securely. Bitcoin’s supply is limited to 21 million coins, making it deflationary and often referred to as "digital gold." It allows users to transfer value globally without the need for banks or intermediaries. While its price is highly volatile, it has become a popular investment asset and a symbol of financial freedom. Bitcoin is also driving innovation in finance, inspiring the growth of the entire cryptocurrency ecosystem.