$BTC Bitcoin (BTC) is a decentralized digital currency created by Satoshi Nakamoto in 2009. It is based on blockchain technology and has characteristics such as trustless, tamper-proof, and a fixed supply. Bitcoin is widely used for investment, payment, and asset preservation, and is referred to as "digital gold." Its price is highly volatile, influenced by market supply and demand, regulatory policies, macroeconomic factors, and more. In recent years, an increasing number of institutions and countries have begun to accept Bitcoin, but it has also sparked discussions about energy consumption and financial risks.