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 fast that it would lead to social unrest in China, bankruptcy for export dependent companies and "disaster for the world". In October, China posted a record surge in its foreign exchange reserves, which was seen as a "target around the neck of China’s exchange rate regime" in the effort to get the country to allow its currency to appreciate. In reaction, Geithner suggested China’s attempts at limiting gains were the reason for capital controls and currency-market interventions in other emerging economies. "What’s happening is, as China holds its currency down, their currencies are moving up and they’re having to work