The Euro (EUR) is the official currency of 20 countries in the European Union (Eurozone). It is the second most important reserve currency globally after the US Dollar. Managed by the European Central Bank (ECB), it plays a crucial role in global financial markets.
The United States Dollar (USD) is the world's primary reserve currency and the main medium of exchange in international trade. Its issuance is controlled by the Federal Reserve. Due to its high liquidity, the dollar is used as a benchmark for pricing most other assets.