A cryptocurrency is a digital currency designed to work as a medium of exchange through a computer network that is not reliant on any central authority, such as a government or bank, to uphold or maintain it. It is a decentralized system for verifying that the parties to a transaction have the money they claim to have, eliminating the need for traditional intermediaries, such as banks, when funds are being transferred between two entities.

In the new financial area, cryptocurrencies are becoming more important because they often have additional functionality. This section contains liquid and illiquid crypto currencies which can be traded, were traded in the past, or have been announced. The term token (or crypto token) refers to a special virtual currency token or how cryptocurrencies are denominated. These tokens represent fungible and tradable assets or utilities that reside on blockchains and are usually used as a cryptocurrency.