$BTC Bitcoin (BTC) is the first and most well-known cryptocurrency, created in 2009 by an anonymous person or group known as Satoshi Nakamoto. It operates on a decentralized, peer-to-peer network using blockchain technology, which records all transactions publicly and securely. Bitcoin is limited to 21 million coins, making it a deflationary asset. It’s often referred to as “digital gold” due to its store-of-value characteristics. BTC can be used for payments, investment, and as a hedge against inflation. Its decentralized nature and limited supply have made it a popular choice among investors and a driving force in the broader crypto market.