Name of important countries and Currencies?

Here are some names of countries and their respective currencies:

1. United States - US dollar

2. United Kingdom - British pound

3. Japan - Japanese yen

4. Canada - Canadian dollar

5. Australia - Australian dollar

6. Germany - Euro

7. France - Euro

8. Italy - Euro

9. China - Chinese yuan

10. India - Indian rupee

11. Brazil - Brazilian real

12. Mexico - Mexican peso

13. South Africa - South African rand

14. Russia - Russian ruble

15. Switzerland - Swiss franc

16. Saudi Arabia - Saudi riyal

17. United Arab Emirates - UAE dirham

18. Singapore - Singapore dollar

19. Malaysia - Malaysian ringgit

20. South Korea - South Korean won

Note that this is not an exhaustive list and there are many other countries with their own currencies.