$BTC $BTC, Bitcoin is the most well-known and widely used cryptocurrency in the world. It was created in 2009 by a person or group using the pseudonym Satoshi Nakamoto, with the aim of providing a decentralized financial system, without the need for banks or intermediaries. Its technology is based on a blockchain network that ensures the transparency and security of transactions. Over the years, Bitcoin has been the subject of intense speculation, with strong price rises and falls. While some view it as a store of value comparable to gold, others consider it a financial bubble.