$BTC Bitcoin ($BTC) is a decentralized digital currency that enables peer-to-peer transactions without the need for intermediaries like banks. It operates on a decentralized network using blockchain technology to record transactions securely and transparently. Bitcoin is known for its limited supply (capped at 21 million) and has become a popular investment asset and medium of exchange. Its value can be volatile, influenced by factors like market demand, regulatory news, and macroeconomic trends.