U.S. Dollar

The U.S. dollar (USD) is the official currency of the United States and one of the most widely used currencies globally. It functions as the primary medium of exchange for goods and services, a store of value, and a unit for measuring economic transactions. The dollar's value is influenced by factors like economic stability, interest rates, government policies, and international demand. It is issued by the Federal Reserve, the U.S. central bank, and is recognized worldwide for trade and financial markets, making it a key component of the global economy.