In Yamato Province of Kinai region, there was no currency used for economy, but, Wa seemed to have been active in trade as it is stated that 'there is market in cities and trading is monitored by high ranking Wa.'
また畿内大和は8世紀まで通貨経済は皆無であったが「國國有市、交易有無、使大倭監之。」とあり倭では交易が盛んであったことが窺える。