The origin of banknotes (also known as paper money) go further in time than we can imagine. It's believed that the first banknotes were coined in China, under Song dynasty (960 AD-1279 AD), although they were used unoffcially since the 7th century. This invention was of vital importance, enhancing trade and making it easier. These first banknotes were called jiaozi (in Chinese, 交子; you can see a copy of them below) and what characterises them is...
