As shown in Chikusen-joirei (an ordinance to ordain a court rank to someone who saved a certain amount of money) from 711 to 800, there was no currency used for economy in the Kinai region (the five capital provinces surrounding the ancient capitals of Nara and Kyoto), Yamato Province until the eighth century.
711年～800年の蓄銭叙位令などが示すように畿内大和は8世紀まで通貨経済は皆無であった。