$BTC Bitcoin (BTC) is the first and most well-known cryptocurrency, introduced in 2009 by an anonymous person or group known as Satoshi Nakamoto. It operates on a decentralized network using blockchain technology, which records all transactions transparently and securely. Unlike traditional currencies, Bitcoin is not controlled by any central authority, making it attractive to investors seeking financial freedom. It has gained popularity as a store of value and a hedge against inflation. However, its price is highly volatile, and it faces regulatory and environmental concerns. Despite these challenges, Bitcoin continues to shape the future of digital finance.