In October 1712, Hakuseki ARAI discharged Hideshige OGIWARA who was a kanjobugyo (commissioner of finance), and started to remint to go back to the system of keicho currency in order to stop confusion caused by repetitive reminting of silver by weight standard.
正徳2年（1712年）9月、新井白石は勘定奉行の荻原重秀を罷免に追い込み、度重なる秤量銀貨吹き替えによる混乱を是正しようと、慶長の幣制へ復帰するべく吹替え（改鋳）に着手した。