High Middle Ages · East Asia · Technology
1024
Song government formalizes paper currency
1024
Building on Sichuan's private merchant notes, the Song court issued official jiaozi banknotes backed by state reserves of coin and goods. Printed with intricate designs to deter counterfeiting, the notes circulated across southern China and represented the world's first experiment with government-issued fiat currency, a financial innovation Europe would not attempt for six centuries.