Bitcoin (BTC) is the first and most famous cryptocurrency, created in 2009 by an unknown person or group known as Satoshi Nakamoto. This currency operates on a decentralized blockchain network, allowing secure peer-to-peer transactions without the need for intermediaries like banks. Bitcoin is often referred to as "digital gold" due to its limited supply of 21 million coins. It is used for payments and investments, and as a store of value. The price of Bitcoin is highly volatile, influenced by market demand, regulatory frameworks, and adoption. Bitcoin mining involves solving complex mathematical problems to validate transactions. As blockchain technology advances, Bitcoin continues to shape the future of digital finance and decentralized systems around the world.