The past use of exchange is started of cash they some use the animals some vegetables. Later in the year 1200 BC, China have began to use shells. Mainly cowrie shells. Other countries started use shells in stead of money. Later China has produced coins round metal whit a hole in the middle. A few hundred years late. Leather was use in china and later did china making the first paper banknotes and several later began using ter currency of the country nowadays.