$BTC Bitcoin (BTC) is a decentralized digital currency created by Satoshi Nakamoto in 2009. It relies on blockchain technology for transaction verification and security protection, ensuring the transparency and immutability of transactions. The total supply of Bitcoin is capped at 21 million pieces, and this scarcity makes it regarded as "digital gold". Bitcoin can be used to purchase goods and services online, and is also widely used as an investment tool. Its price fluctuates greatly, and it has the characteristics of high risk and high return. As more and more institutions accept Bitcoin, its influence and application areas are expanding.