Mexican peso Mexican peso The Mexican peso (sign: $; code: MXN) is the currency of Mexico. Modern peso and dollar currencies have a common origin in the 15th–19th century-Spanish dollar, most continuing to use its sign, "$". The Mexican peso is the 10th most traded currency in the world, the third most traded currency from America (after the United States dollar and Canadian dollar), and the most traded currency from Latin America. The current ISO 4217 code for the peso is "MXN"; prior to the 1993 revaluation (see below), the code "MXP" was used. The peso is subdivided into 100 "centavos", represented
World currency Habsburg territories. Prior to and during most of the 19th century, international trade was denominated in terms of currencies that represented weights of gold. Most national currencies at the time were in essence merely different ways of measuring gold weights (much as the yard and the meter both measure length and are related by a constant conversion factor). Hence some assert that gold was the world's first global currency. The emerging collapse of the international gold standard around the time of World War I had significant implications for global trade. Before 1944, the world reference currency was the United Kingdom's