$BTC Bitcoin ($BTC) is the original and most well-known cryptocurrency, often called digital gold. It was created in 2009 by an unknown person or group using the name Satoshi Nakamoto. Built on a decentralized blockchain, Bitcoin allows peer-to-peer transactions without the need for banks or intermediaries. Its limited supply of 21 million coins makes it a hedge against inflation for many investors. Over the years, Bitcoin has grown from a niche experiment to a global financial asset. Whether you're in it for long-term investment or just curious about crypto, $BTC remains the cornerstone of the entire cryptocurrency market.