Currency of Uruguay fine gold), and equal to 10 silver pesos, each of 25·48 g, 0·917 fine (23·365 g fine silver), giving a silver:gold ratio of 15:1. The peso was revalued to 100 centésimos, with 1 new centésimo equal to 10 old centésimos de real, the new currency being known as "Sistema centesimal" (as opposed to the old "Sistema real"). The National Currency Decree declared that until a national coinage could be minted, foreign silver and gold coins should continue to circulate at their then current values (adjusted to conform to this decree), A number of foreign coins (and their multiples and fractions)
History of Chinese currency system that was not backed by silver or gold. The currency issued by the Yuan was the world's first fiat currency, known as Chao. The Yuan government attempted to prohibit all transactions in or possession of silver or gold, which had to be turned over to the government. Inflation in 1260 caused the government to replace the existing paper currency with a new one in 1287, but inflation that resulted from undisciplined printing remained a problem for the Yuan court until the end of the Dynasty. The early Ming dynasty (, 1368–1644) also attempted to use paper currency in the