
The History of Money
So what is money? Money is anything that acts as (a) a medium of exchange, (b) a measure of value, (c) a standard that can be used for credit or deferred payment, and (d) a store of value. Early coinage ticked each of these boxes.
Money also has the following properties. Money must be:
Durable
Fungible
Divisible
Portable
Acceptable
Scarce