How does cryptocurrency function? Hello. Cryptocurrency is a type of digital currency whose units are accounted for by a decentralized payment system AAX Trends . Cryptocurrency itself is a number denoting the number of units of settlement data, which is recorded in the corresponding position of the information packet of the data transfer protocol and is often not subject to encryption, as well as all other information about transactions between the addresses of the system. I don't understand much about this, but this site knows more