$BTC $BTC, or Bitcoin, is the world’s first and most well-known cryptocurrency, launched in 2009 by an anonymous creator known as Satoshi Nakamoto. It operates on a decentralized blockchain network, allowing peer-to-peer transactions without the need for intermediaries like banks. Bitcoin has a fixed supply of 21 million coins, making it deflationary by nature. It's widely used as both a digital currency and a store of value, often referred to as "digital gold." Bitcoin's price is highly volatile, influenced by market demand, investor sentiment, regulation, and macroeconomic factors. It remains a major force in the world of decentralized finance (DeFi).