Digital currency payment transfer in order to facilitate easy payment and give the payee more confidence in not letting go of their electronic wallet during the transaction. A cryptocurrency is a type of digital asset that relies on cryptography for chaining together digital signatures of asset transfers, peer-to-peer networking and decentralization. In some cases a proof-of-work or proof-of-stake scheme is used to create and manage the currency. Cryptocurrencies allow electronic money systems to be decentralized. The first and most popular system is bitcoin, a peer-to-peer electronic monetary system based on cryptography. A virtual currency has been defined in 2012 by the European
Digital gold currency protected against inflation, devaluation and other economic risks inherent in fiat currencies. These risks include the monetary policy of countries or territories, which are said by proponents to be harmful to the value of paper currency. can be used to buy, hold, and sell precious metals, but do not promote themselves as an "investment", as this implies an anticipated return. Some providers do not sell DGC directly to clients. For those DGCs, e-currency must be bought and sold via a digital currency exchanger. Currency exchangers accept payment in national currencies by a variety of methods, including Bank Wire, Direct Deposit,