Answer:
Earlier trade was based on barter system.
1.Coins replaced the inconveniences and fulfilled the double coincidence of wants by the seller & the buyer.
2.Coins became a common measure of value.
3.Coins became a store value.
4.Coins became a medium of exchange.
5.Coins became a standard deferred payment
6. Coins had immediate liquidity in value.
7.Coins gave a territorial authority & sovereignty
Explanation: