United States Dollar
The money that occupies the first position as the most widely used currency in the world is the United States dollar. The official money used in Uncle Sam's country is coded ISO 4217 USD and symbols $. This top position deserves to be occupied by this currency considering the US dollar widely used internationally as a foreign exchange reserve currency outside the US. In addition, the country of Timor Leste which was once one of the provinces in Indonesia also uses this currency. There is also the Zimbabwean state. Once the currency is hyperinflated, the country uses several foreign currencies for the medium of exchange. One of them uses the American dollar.