$BTC Bitcoin ($BTC) is the first and most popular cryptocurrency, created in 2009 by the mysterious Satoshi Nakamoto. It operates on a decentralized blockchain network, allowing peer-to-peer transactions without the need for a central authority like banks. Bitcoin is often called “digital gold” due to its limited supply of 21 million coins, making it a popular hedge against inflation. Over the years, it has gained mainstream adoption, with companies and institutions investing in it. Bitcoin also plays a vital role in the broader crypto ecosystem, influencing the prices of other altcoins. It remains the pioneer and symbol of the crypto revolution.