$BTC Bitcoin ($BTC) is the first and most well-known cryptocurrency in the world, created in 2009 by the pseudonym Satoshi Nakamoto. It operates on a decentralized blockchain, allowing peer-to-peer transactions without the need for banks or intermediaries. With a limited supply of 21 million coins, Bitcoin is often seen as digital gold and a hedge against inflation. Its price is highly volatile, but it has shown significant long-term growth. $BTC is used for investment, remittances, and as a store of value. Despite regulatory scrutiny and environmental concerns, Bitcoin continues to be a dominant force in the cryptocurrency market and a symbol of financial innovation.