-
2000 BCE
Natural resources
Feathers, shells, beans, etc. -
1500 BCE
Valuable items
Gems and precious metals. -
700 BCE
Coins
Introduction of money itself. -
1500
Banknotes
Introduction of paper money, used together with coins and precious metals. -
Credit Card
Invented by Alfred Bloomingdale and Frank McNamara. -
Mobile Payment
Use of mobile phones to pay.