The U.S. dollar will be the currency most used in international transactions. Various countries make use of the U.S. dollar as their Formal currency, and many others enable it to be used in a very de facto potential. It's identified locally for a buck or greenback. USD Exchange Rates https://financefeeds.com/global-fx-market-summary-fed-independence-us-china-trade-war-weakening-us-dollar-and-golds-rise-21-april-2025/