What is fiat money backed by?

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Tags

1. #approach
2. #issued
3. #tender
4. #major
5. #government
6. #dollar
7. #physical
8. #whose
9. #differs
10. #backed
11. #underpinned
12. #currencies
13. #money
14. #currency
15. #commodity
16. #value
17. #silver
18. #other
19. #legal
20. #called
21. #world