Digital currency bitcoin is a digital currency but also a type of virtual currency. Bitcoin and its alternatives are based on cryptographic algorithms, so these kinds of virtual currencies are also called cryptocurrencies. Most of the traditional money supply is bank money held on computers. This is also considered digital currency. One could argue that our increasingly cashless society means that all currencies are becoming digital, but they are not presented to us as such. Currency can be exchanged electronically using debit cards and credit cards using electronic funds transfer at point of sale. A number of electronic money systems use contactless
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,