Dajokan bills were issued based on the proposal of Hachiro MITSUOKA (also known as Kimimasa YURI), who was a Sanyo (government consultant) and accountant, in order to compensate for the lack of funds caused by the Boshin War (civil war) and to support the Meiji government in implementing its policy of promoting new industries.
明治政府が戊辰戦争に多額の費用を要し、殖産興業の資金が不足したので、参与兼会計事務掛三岡八郎（由利公正）の建議によって、発行された。