$BTC $BTC, or Bitcoin, is the first and most well-known cryptocurrency, launched in 2009 by the pseudonymous Satoshi Nakamoto. Operating on a decentralized blockchain, it enables peer-to-peer transactions without intermediaries. Bitcoin's capped supply of 21 million coins creates scarcity, fueling its value proposition as "digital gold." It’s often viewed as a hedge against inflation and economic instability. BTC is highly volatile, attracting traders, investors, and institutions alike. Security, transparency, and limited supply underpin its appeal. As adoption grows globally, Bitcoin continues shaping finance, challenging traditional banking systems, and sparking debates about regulation, energy use, and its long-term role in the digital economy.