$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, peer-to-peer network using blockchain technology, which ensures transparency and security without a central authority. Bitcoin has a fixed supply of 21 million coins, making it deflationary. It is widely used as a store of value, often referred to as "digital gold," and also for online transactions. $BTC is highly volatile, influenced by market sentiment, adoption, regulation, and macroeconomic trends. It's traded globally on major cryptocurrency exchanges 24/7.