Money

Currency in the SpongeBob SquarePants world has been used ever since the time of Kingshire and The Pufferfish Empire. When democracies and republics formed, the United States Dollar (US$) has been accepted by at least 88% of the world. However, in 1958 the Bikini-Ukulele Metropolitan Area transferred the currency from the US Dollar to the new Bikini Bottom Dollar (BKN$). Two months later New Kelp City changed the currency to the New Kelpian Pound (NKP£). The result was a depression which seemed endless until New Kelp City gave dual official status to the US Dollar in late 1969. The Bikini Metro remained with the Bikini Bottom Dollar remained the metro's sole currency. In 1988, Atlantis changed to the Atlantis Dollar (AT$)When SpongeBob SquarePants became mayor of New Kelp City for a day in 2005 he made three official currencies there by adding the Bikini Bottom Dollar to the list which solved the Kelpy Trade Famine of 1987. Eugeneville converted to the Eugene Dollar in August 2008 In 2010, Shell Island accepted the Shell Island Yen (SI¥) but kept the US Dollar for trade. The same year, Patrickville converted to the Patrick Dollar (PT$) and the Kingdom of Tiki Island switched to both the Bikini Bottom Dollar and the new Chum Dollar. Sandyville converted to the Sandy Dollar (SN$) the following year. Any other city or town not mentioned in the article has the US Dollar as the sole currency in the settlement.