#NasdaqETFUpdate Bitcoin is a decentralized digital currency created in 2009 by a person or group under the pseudonym Satoshi Nakamoto. It operates without a central authority, using blockchain technology to securely and transparently record transactions. Bitcoins are obtained through a process called mining, which involves solving complex mathematical problems. Its supply is limited to 21 million, making it a deflationary asset. Bitcoin has become popular as a form of investment, store of value, and alternative medium of exchange to traditional money. However, its volatility and regulation vary in different countries, generating debates about its adoption.