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About United States Dollar
The United States dollar is the official currency of the United States and several other countries. The Coinage Act of 1792 introduced the U.S. dollar at par with the Spanish silver dollar, divided it into 100 cents, and authorized the minting of coins denominated in dollars and cents. U.S. banknotes are issued in the form of Federal Reserve Notes, popularly called greenbacks due to their predominantly green color.
The U.S. dollar was originally defined under a bimetallic standard of 371.25 grains fine silver or, from 1834, 23.22 grains fine gold, or $20.67 per troy ounce. The Gold Standard Act of 1900 linked the dollar solely to gold. From 1934, its equivalence to gold was revised to $35 per troy ounce. In 1971 all links to gold were repealed. The U.S. dollar became an important international reserve currency after the First World War, and displaced the pound sterling as the world's primary reserve currency by the Bretton Woods Agreement towards the end of the Second World War. The dollar is the most widely used currency in international transactions, and a free-floating currency. WikipediaAbout Caribbean guilder
The Caribbean guilder is the currency of Curaçao and Sint Maarten, two constituent countries of the Kingdom of the Netherlands. It is divided into 100 cents. Introduced on 31 March 2025, it replaced the Netherlands Antillean guilder, which ceased to be legal tender on 1 July 2025 after a period of co-circulation.
In November 2022, it was announced that the Caribbean guilder would come into circulation the following year, but it was delayed several times. The cost of the design and production of the Caribbean guilder was approximately 15 million ANG. ANG is exchangeable at par at commercial banks for the new currency for one year following introduction, and thereafter for 29 years at the Central Bank of Curaçao and Sint Maarten. Wikipedia