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 that with some countries deliberately devaluing their currencies other countries may retaliate thus causing a "trade war", and he urged Swann to alert "all of these other major countries to the very damaging implications of a currency war". During the IMF meeting there was disagreement based on conflicting views about how to sustain a recovery from the global recession. Countries led by the United States preferred flexible exchange rates, while others, led by China, resisted calls to appreciate their currency. The IMF meeting in Washington DC was inconclusive, as China rejected calls to allow rapid appreciation of its currency. Currency