$BTC *BTC*, or *Bitcoin*, is the world’s first and most dominant cryptocurrency, introduced in 2008 by the anonymous creator *Satoshi Nakamoto*. It operates on a decentralized, peer-to-peer network that uses *blockchain technology* to enable secure and transparent transactions without intermediaries. With a fixed supply of 21 million coins, *Bitcoin* is often seen as "digital gold" and a hedge against inflation. It plays a crucial role in the broader crypto ecosystem, influencing market sentiment and adoption. *BTC* is widely used for investment, cross-border payments, and as a store of value. Its innovation sparked the rise of thousands of other cryptocurrencies.