$BTC Bitcoin (BTC) is a decentralized digital currency that was created in 2009 by an anonymous person or group known as Satoshi Nakamoto. It operates on a peer-to-peer network, allowing users to send and receive payments without intermediaries. Transactions are recorded on a public ledger called the blockchain, ensuring transparency and security. Bitcoin is often referred to as "digital gold" due to its limited supply of 21 million coins. Its volatility has attracted both investors and speculators. As a pioneer in the cryptocurrency market, Bitcoin has inspired thousands of alternative cryptocurrencies and has become a significant asset class for individuals and institutions alike.