The Maastricht treaty called for banking in a single common currency, setting up monetary and fiscal targets for countries taking part in a monetary union, and political union of member nations.
Currency is a medium of exchange for goods and services. In short, it's money, in the form of paper and coins, usually issued by a government and generally accepted at its face value as a method of payment. The definition of currency is the money system used in a country, especially paper money. An example of currency is the American dollar or the Euro. noun. The money is in circulation in any country.
Currency allows the trading of goods and services indirectly, communicates the price of goods, and provides a way to store wealth.
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