Currency Currency A currency (from , "in circulation", from ), in the most specific use of the word, refers to money in any form when in actual use or circulation as a medium of exchange, especially circulating banknotes and coins. A more general definition is that a currency is a "system of money" (monetary units) in common use, especially in a nation. Under this definition, US dollars, British pounds, Australian dollars, European euros and Russian ruble are examples of currency. These various currencies are recognized as stores of value and are traded between nations in foreign exchange markets, which determine the
Currency swap currency exchange have since become rare, savings are still available from back-to-back loans due to comparative advantage. The first formal currency swap, as opposed to the then used parallel loans structure, was transacted by Citicorp International Bank for a $US100,000,000 10 year US Dollar Sterling swap between Mobil Oil Corporation and General Electric Corporation Ltd (UK). The concept of the interest rate swap was developed by the Citicorp International Swap unit but cross-currency interest rate swaps were introduced by the World Bank in 1981 to obtain Swiss francs and German marks by exchanging cash flows with IBM. This deal was