Currency is a standardization of money used as medium of exchange. Three main monetary systems: fiat, commodity, and representative money. Government-issued currencies include pound, euro, yen, and dollar
Before 1971, pound contained 240 pence, with 12 pence in shilling. Currency terms derived from Latin Libra, solidus, and denarius. Guinea value fluctuated between 20-30 shillings until 1717
Gold standard emerged in Britain in 1717 when silver was overvalued. Britain's gold standard spread globally through colonial trade and banking. Silver standard dominated until 1850s, with France and US leading
Stars introduced in Update 1.3, totaling 2,838 possible from official content. Moons introduced in Update 2.2, totaling 25 available in Lite version. Secret coins introduced in Update 1.6, totaling 164 obtainable. User coins introduced in Update 2.0, used in level editor
Bretton Woods established first negotiated monetary order among independent states. System aimed to prevent currency wars and stabilize international trade. Conference held July 1944 with 730 delegates from 44 Allied nations
Nearly all countries fixed their currencies in terms of gold. Domestic currencies were freely convertible into gold at fixed price. Gold coins circulated alongside other metals and notes. Exchange rates between participating currencies were fixed