dollars . Usd is the abbreviation of the legal tender of the United States , namely the U.S. dollar. Countries around the world use the U.S. dollar as a reserve currency , and major commodities are settled in U.S. dollars, so the U.S. dollar has the nature of acting as the world’s number one currency.
The United States dollar (United States dollar currency abbreviation: USD; ISO 4217 currency code: USD; symbol: USA$) is the United States of America, the Republic of El Salvador, the Republic of Panama, the Republic of Ecuador, the Democratic Republic of Timor-Leste, the Republic of the Marshall Islands, the Federated States of Micronesia, The legal tender of the Republic of Kiribati and Palau. The U.S. dollar bills in circulation are the various banknotes issued since 1929.
The U.S. dollar issuance authority is Congress, and the specific issuance business is handled by the Federal Reserve Bank. After World War II, continental European countries and the United States reached an agreement to use the U.S. dollar for international payments. Since then, the U.S. dollar has been widely used as a reserve currency in countries outside the United States and eventually became an international currency .
$” is a symbol for the dollar sign . There are many theories about the origin of this dollar sign, two of which are more common. One theory is that the symbol is formed by placing a narrower U over a wider S, so it represents the dollar sign for the United States . Another version points out that it is an evolution of PS superposition writing. PS is the abbreviation of Pesos, a round coin in the United States during the 18th and 19th centuries. This coin was used nationwide until the official establishment of the Mint in the United States in 1974. The U.S. government later recognized the $ symbol as a unit of the new currency, the one dollar. When writing, $ should be placed before the number. For example, $1 should be written as $1, and $50 should be written as $50.