$BTC Bitcoin (BTC) is the first and most well-known cryptocurrency. It was created in 2009 by an unknown person or group called Satoshi Nakamoto. It works on a decentralized network using blockchain technology, which means people can send and receive money directly without needing a bank or middleman.

There will only ever be 21 million Bitcoins, which makes it rare and increases its value. Many people call it "digital gold" because it's used to store value and as an investment. Bitcoin started the rise of many other cryptocurrencies and is a big part of the digital economy today.

Even though its price goes up and down a lot, Bitcoin is still seen as a sign of financial freedom and innovation.

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