Currency of Uruguay Currency of Uruguay This is an outline of Uruguay's monetary history. For the present currency of Uruguay, see Uruguayan peso. Uruguay's currency was initially that common to all of Spanish America. During the struggle over this region, initially between Spain and Portugal, then between Argentina and Brazil, the coinage of both contestants circulated. When the area was annexed to Brazil in 1821 as Provincia Cisplatina, the Portuguese (Brazilian) administration put notes of Banco do Brazil into circulation. This was the first paper money to circulate in Uruguay. Then, in 1826–1828, Argentine troops fighting against Brazil were paid in one-peso notes
Currency substitution currency substitution by adopting the US dollar as legal tender in 1904. This type of currency substitution is also known as de jure currency substitution. Currency substitution can be used semiofficially (or officially bimonetary systems), where the foreign currency is legal tender alongside the domestic currency. In literature, there is a set of related definitions of currency substitution such as external liability currency substitution, domestic liability currency substitution, banking sector's liability currency substitution or deposit currency substitution, and credit dollarlization. External liability currency substitution measures total external debt (private and public) denominated in foreign currencies of the economy. Deposit currency