"digital currencies"

A digital (or virtual) currency is a digital representation of value only available in electronic form. It is stored and transacted through designated software, mobile, or computer applications. Transactions involving virtual currencies occur through secure, dedicated networks or over the Internet. A subset of digital currencies are cryptocurrencies. A defining feature of cryptocurrencies is that they are generally not issued by any central authority, rendering them theoretically immune to government interference or manipulation. Bitcoin is a cryptocurrency.