If an economy uses gold as money, it's money will be coins.
venezela uses bolivar money
money
currency is money, or what a country uses for money
Gold has many different uses such as jewerly and of course money but also use to conduct electricity.
India
The yen is the money of Japan.
you can use it for jewlery, money, and tooth fillings.
uses for coins such as for money lalala MONEY!
Guatemala
Iran
Russia