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
WCU – World Currency Unit of this unit would rise if other currencies represented in the basket appreciate against the US dollar. Savers purchasing such bonds would not only enjoy protection against inflation, but would benefit from the diversification of exchange risks. The WCU could be used for the pricing of commodities such as oil, precious metals, and agricultural products, which are typically quoted in US dollars. Of course, historical prices of commodities quoted in US dollars could also be converted into prices in WCUs to provide indications on trends in the real prices of these commodities. WCU – World Currency Unit The World Currency