What is Money Level 5

3. The Greek word Aristotle used for money, derived from the word for custom or law.
4. A record of who owns what, kept in writing or in a community's memory.
5. A term used to describe a money that satisfies the seven properties to a workable degree.
6. The function of money that allows two people to trade even when neither wants exactly what the other has.
9. The Greek word for custom or law, the root of the Greek word for money.
11. The function of money that provides a common measure for comparing the values of different things. The unit of ___.
13. The lowering of the substance of a money by an issuing authority while the nominal value is kept the same.
15. The contemporary national currency of the United States.
16. The Greek philosopher who wrote that money exists not by nature but by law.
17. The monetary system that began operating in 2009 with a fixed supply and a public record held by participants around the world.
18. The bean used as money across Mesoamerica from the time of the Maya into the Spanish colonial period.
19. The group whose recognition is required for a substance to function as money.
20. The people of what is now Turkey who are credited with making the earliest known stamped metal coins.
21. The problem that what counts as money depends on the community accepting it as such.
22. The unit of rice that served as a principal money in feudal Japan, roughly the amount needed to feed one person for a year.

1. The seventh property of money, recognized in the analytical literature only recently because of Bitcoin, that protects a money against being changed by parties who would benefit from changing it.
2. The island chain in the Indian Ocean where most of the cowries used as money across Africa and Asia were collected.
5. The function of money that lets a person hold purchasing power across time. The ___ of value.
7. The material first used to make money in late tenth century China.
8. The first property of money, requiring that people in a community will take the substance in exchange.
10. The material out of which a particular money is made, such as metal, paper, or digital records.
12. The character of money as something humans made rather than something found in nature.
14. The named value of a particular unit of money.
19. A small ocean shell used as money across much of Asia and Africa for more than a thousand years.