Questions

Define money as a medium of exchange, a unit of account, and a store of value. Why is this last definition problematic when the money is a fiat currency? Why does stability matter for stores of value?

Define fiat currency, commodity standard, and commodity money. Define wealth and differentiate it from income.

What is barter? Explain the double coincidence of wants problem. What types of good emerge from barter that allow for indirect exchange to occur? What are their money-ish qualities?

What is the difference between an honest goldsmith banker and a dishonest goldsmith banker?