$BTC Bitcoin (BTC) is the first and most well-known cryptocurrency, created in 2009 by an anonymous person or group using the name Satoshi Nakamoto. It operates on a decentralized, peer-to-peer network using blockchain technology, which records all transactions transparently and securely. Bitcoin is not controlled by any government or central bank, making it an alternative to traditional currencies. It is limited to a maximum supply of 21 million coins, contributing to its scarcity and value. Bitcoin is used for payments, investment, and as a store of value. Its price is volatile, driven by supply, demand, market sentiment, and global economic factors.