$BTC Bitcoin ($BTC) is the first and most well-known cryptocurrency in the world, created in 2009 by an anonymous author under the pseudonym Satoshi Nakamoto. Based on blockchain technology, BTC allows for decentralized, secure transactions without the need for intermediaries. Over the years, it has become a widely used digital asset as a store of value, being nicknamed "digital gold". Its supply is limited to 21 million units, which reinforces its scarcity and appeal. Bitcoin has played a crucial role in the global financial revolution, influencing economic policies, institutional investments, and the development of new technologies in the crypto sector.