Society of the Mongol Empire influences. Genghis Khan authorized the use of paper money shortly before his death in 1227. It was backed by precious metals and silk. The Mongols used Chinese silver ingot as a unified money of public account, while circulating paper money in China and coins in the western areas of the empire such as Golden Horde and Chagatai Khanate. Under Ögedei Khan the Mongol government issued paper currency backed by silk reserves and founded a Department which was responsible for destroying old notes. In 1253, Möngke established a Department of Monetary affairs to control the issuance of paper money in order
Kublai Khan Kublai's son, who was born in 1243, Zhenjin (Chinese: "True Gold"). Haiyun also introduced Kublai to the formerly Daoist and now Buddhist monk, Liu Bingzhong. Liu was a painter, calligrapher, poet, and mathematician, and he became Kublai's advisor when Haiyun returned to his temple in modern Beijing. Kublai soon added the Shanxi scholar Zhao Bi to his entourage. Kublai employed people of other nationalities as well, for he was keen to balance local and imperial interests, Mongol and Turk. In 1251, Kublai's eldest brother Möngke became Khan of the Mongol Empire, and Khwarizmian Mahmud Yalavach and Kublai were sent to