$BTC Bitcoin (BTC) is the first and most well-known cryptocurrency, created in 2009 by an anonymous person or group known as Satoshi Nakamoto. It operates on a decentralized blockchain network, allowing peer-to-peer transactions without a central authority. Bitcoin is limited to 21 million coins, making it scarce and often referred to as “digital gold.” It’s used for investment, payments, and as a hedge against inflation. Bitcoin’s price is highly volatile and influenced by global economic trends, regulations, and adoption. It remains the largest cryptocurrency by market capitalization and is widely accepted across crypto exchanges and financial platforms.