$BTC Bitcoin (BTC) is the world’s first and most widely recognized cryptocurrency, launched in 2009 by the pseudonymous creator Satoshi Nakamoto. It operates on a decentralized, peer-to-peer blockchain network, enabling secure, transparent transactions without intermediaries. Bitcoin has a capped supply of 21 million coins, making it a deflationary asset and often compared to digital gold. Its use cases range from a store of value to a hedge against inflation and a tool for remittances. Market dynamics, institutional adoption, regulatory developments, and macroeconomic trends heavily influence its price. In 2025, BTC continues to play a central role in the crypto ecosystem.