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United States dollar - Wikipedia

The United States dollar (symbol: $; currency code: USD[a]) 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 ...

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USD - US Dollar rates, news, and tools | Xe

The US Dollar is the most commonly converted currency in the world and is regularly used as a benchmark in the Forex market. As the dominant global reserve currency, it is held by nearly every central bank in the world.