$BTC Bitcoin (BTC) is a decentralized digital currency that revolutionized the financial world when it was introduced in 2009 by an anonymous person or group known as Satoshi Nakamoto. Based on blockchain technology, Bitcoin operates without a central authority, allowing peer-to-peer transactions globally. It is known for its fixed supply of 21 million coins, which helps maintain its scarcity and value. Bitcoin’s price has fluctuated wildly, attracting both investors and speculators. Its potential as a store of value, along with growing institutional adoption, has sparked debates about its future role in the global financial system.