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
Currency War of 2009–11 war' is over, saying it is still on-going. In an April interview with the "Wall Street Journal", Mantega spoke out against the loose monetary policies of advanced nations which have been aggravating inflation in emerging economies. Unlike other emerging economies, China has so far chose to continue holding its currency down against the dollar, fighting inflation instead with interest rate rises. The rate rises cause even greater pressure from the markets for a currency appreciation, and to prevent this, at least in the months leading up to early 2011, China had to buy dollar assets at a faster rate than