Example image of eyePlorer eyePlorer map for 'Fiat money': Legal tender Latin Currency Euro Pound sterling Reserve currency United States dollar Barter Commodity money Representative money Specie Copper Gold Silver Bullionism Face value Credit money United States Note Song Dynasty Bill of credit Massachusetts Pennsylvania United States Virginia Hut tax Poll tax Constitution Continental (currency) Ducat John Law (economist) Mississippi Company Napoleon I of France South Sea Company United States Congress Vienna American Civil War United States Greenback Party World War I Hyperinflation Weimar Republic Bretton Woods system Gold standard Gram Troy ounce International Monetary Fund Nixon Shock Belgium Economist Robert Triffin Triffin dilemma