1. When were cowrie shells first used as money?

2. What is wampum?

3. What group of people used whale teeth as currency?

4. What punishment did 14th century Chinese currency say that counterfeiters would face?

5. What word did Benjamin Franklin purposefully misspell on currency to deter counterfeiters?

6. According to many historians, which kingdom issued the first regulated coins?

7. The people of ancient Rome reportedly used currency made from what?

8. What country introduced paper currency?

9. What company introduced the magnetic strip on credit cards?

10. What anonymous programmer or group of programmers created Bitcoin?