Currency of Uruguay issued by Banco Nacional of Buenos Aires for Provincia Oriental ("Eastern Province", i.e., Uruguay). All parties to the conflict used the Spanish dollar (Spanish "peso", Portuguese " patacão"), which circulated with a value of 8 Spanish reales or 960 Brazilian reis. Circulation consisted of coins from mints in Mexico, Potosí, Brazil, and Buenos Aires. During the turbulent period of conflict preceding independence, a considerable amount of poor-quality copper coin from both Buenos Aires and Brazil came into circulation. Peso (Patacón) = 8 Reales = 800 Centésimos de real (centavos) Onza de oro = 16 Pesos In 1828, Uruguay's currency was
Currency substitution currency substitution happens when a country adopts a foreign currency as its sole legal tender, and ceases to issue the domestic currency. Another effect of a country adopting a foreign currency as its own is that the country gives up all power to vary its exchange rate. There are a small number of countries adopting a foreign currency as legal tender. Full currency substitution has mostly occurred in Latin America, the Caribbean and the Pacific, as many countries in those regions see the United States Dollar as a stable currency compared to the national one. For example, Panama underwent full