Bitcoin, the first, most-traded, and best-known cryptocurrency. The digital currency was created by an anonymous computer programmer or group of programmers known as Satoshi Nakamoto in 2009. Owners of Bitcoins can use various websites to trade them for other cryptocurrencies or even physical currencies, such as U.S. dollars or euros, or can exchange them for goods and services from a number of vendors. Nakamoto was concerned that traditional currencies were too reliant on the trustworthiness of banks to work properly. Nakamoto proposed a digital currency, Bitcoin, that could serve as a medium of exchange without relying on any financial institutions ...(100 of 849 words)