$BTC
Bitcoin (BTC) is a decentralized digital currency, created in 2009 by an anonymous entity known as Satoshi Nakamoto. It operates on a technology called blockchain, a distributed public ledger that records all transactions. Unlike traditional currencies issued by central banks, Bitcoin's supply is finite, capped at 21 million coins. Its value fluctuates based on supply, demand, and market sentiment, making it a volatile yet potentially lucrative asset. Bitcoin has gained widespread adoption as a store of value and a medium of exchange.