However, because the fact that kin-za was casting inferior gold coins in violation of kaizei-yakusho (revised agreement on trade attached to the Ansei Five-Power Treaties) was revealed, it met with protests by many foreign countries and kin-za was abolished because the Meiji Government decided full switchover to dajokansatsu (government note) and construction of the mint bureau.
しかし、改税約書違反の悪質な金貨を鋳造していた事実が明らかとなったために諸外国からの抗議を受け、明治政府が太政官札への全面切り替えと造幣局(日本)建設を決めたために廃止された。