$BTC Bitcoin (BTC) is the first and most well-known cryptocurrency, created in 2009 by the anonymous figure Satoshi Nakamoto. It operates on a decentralized, peer-to-peer network using blockchain technology, which ensures transparent and secure transactions without a central authority. Bitcoin is often seen as digital gold due to its limited supply of 21 million coins, making it a popular hedge against inflation. Its price is highly volatile, driven by market sentiment, adoption, regulatory news, and macroeconomic trends. Bitcoin plays a significant role in the broader crypto ecosystem and is accepted by some merchants and institutions as a form of payment or investment.