$BTC refers to Bitcoin, the world’s first and most well-known cryptocurrency. Launched in 2009 by the mysterious figure Satoshi Nakamoto, Bitcoin operates on a decentralized network called blockchain, allowing for secure, peer-to-peer transactions without the need for intermediaries like banks. With a limited supply of 21 million coins, Bitcoin is often seen as a store of value, comparable to digital gold. It has gained significant attention as an investment asset, with its price often experiencing high volatility. As the cryptocurrency market grows, $BTC remains at the forefront, influencing global finance and shaping the future of digital currencies.