$BTC Bitcoin is a decentralized digital currency created in 2009 by an anonymous person or group known as Satoshi Nakamoto. It operates on a peer-to-peer network using blockchain technology, allowing secure, transparent, and irreversible transactions without the need for intermediaries like banks. Bitcoin is limited to 21 million coins, making it scarce and often compared to digital gold. It can be used for purchases, investment, or transferred globally. Its value is highly volatile, influenced by demand, regulation, and market sentiment. Bitcoin has sparked a revolution in finance, inspiring thousands of cryptocurrencies and raising debates on its role in the global economy.