Here are some examples of countries and their corresponding currencies:
United States: United States Dollar (USD)
United Kingdom: Pound Sterling (GBP)
Japan: Japanese Yen (JPY)
Canada: Canadian Dollar (CAD)
Australia: Australian Dollar (AUD)
India: Indian Rupee (INR)
China: Chinese Yuan (CNY)
European Union: Euro (EUR)
Switzerland: Swiss Franc (CHF)
Brazil: Brazilian Real (BRL)
It's important to note that some countries use currencies that are shared with other countries, such as the Euro in the European Union or the US Dollar in countries like Panama and Ecuador. Additionally, some countries have multiple currencies in use, such as Zimbabwe, which has used both the US Dollar and the Zimbabwean Dollar in recent years.