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
Circulation (currency) Circulation (currency) In monetary economics, circulation is the continuing use of individual units of a currency for transactions. Thus currency in circulation is the total value of currency (coins and paper currency) that has ever been issued minus the amount that has been removed from the economy by the central bank. More broadly, money in circulation is the total money supply of a country, which can be defined in various ways always including currency and also including some types of bank deposits. Standard money is the basic currency circulating within a monetary system. It has legal recognition for prices and