The Chinese of the Tang Dynasty invent the banknote
Merchants would issue what are today called promissory notes in the form of receipts of deposit to wholesalers to avoid using the heavy bulk of copper coinage in large commercial transactions.
Trade
Macau becomes important part of trade route between Ghangzhou and Southeast Asia
Since the 5th century, merchant ships travelling between Southeast Asia and Guangzhou used the region as a port for refuge, fresh water, and food.
Coastal cities on Borneo establish trading posts with outside world
According to ancient Chinese (977),[37]:129 Indian and Japanese manuscripts, western coastal cities of Borneo had become trading ports by the first millennium C.E.
The Silk Road is formally established – connecting China, the Middle East, and other ancient civilizations
The network was used regularly from 130 B.C.E., when the Han Dynasty of China officially opened trade with the west, to 1453 C.E., when the Ottoman Empire boycotted trade with the west and closed the routes.
Lydia’s King Alyattes mints the first official currency
The coins were made from electrum, a mixture of silver and gold that occurs naturally, and stamped with pictures that acted as denominations.
Neolithic Europeans establish what is perhaps the world’s first sea trade in the Aegean Sea
The trade route involved the seaborne movement of obsidian by an unknown Neolithic Europe seafaring people. The obsidian was mined from the volcanic island of Milos and then transported to various parts of the Balkans, Anatolia, and Cyprus, where they were refined into obsidian blades. However, the nature of the seafaring technologies involved has not been preserved.