 Nyora kupfuurira kweiyi ndima - Kutevera kusainwa kweChibvumirano cheFriendship neCommercemuna 1859, Yokohama yakavhurwa sechiteshi chengarava chokutengeserana kwokunze uye nokukurumidza yakakura mukukosha. Kupfurikidza neNew Currency Act ya 1871, Japan yakagamuchira mwero wegoridhe mukuwirirana nemitemo yenyika dzakawanda, ne1 yen inowirirana ne1.5g yegoridhe rakachena. Mari dzesirivha dzaibudiswawo nokuda kwokutengeserana nenyika dzeAsia dzaifarira sirivha semari, nokudaro dzichitanga mutemo wegoridhe nesirivha. Zvisinei, kuwedzerwa kwemari kwakakonzerwa neSatsuma Rebellion ya1877 uye kubuda kwesirivha yakawanda nemhaka yokuwedzera kwezvinhu zvaitengeswa kunze kwenyika, kusawirirana kukuru kwakavapo pakati pemari dzemari dzakapiwa nehurumende nemari yemari. Ikoku kwakava manyuko enhamo nokuda kwavatengesi muYokohama, sezvo mari yemari panzvimbo pemari dzemari dzakatanga kudikanwa nokuda kwokutengeserana kwokunze. Musi waFebruary 28, 1880, boka revanhu 22 vachitsigirwa naFukuzawa Yukichi naInoue Kaoru vakatanga bhangi maererano neNational Bank Act kuti vaone kuti vanhu vezvokutengeserana vawana mari. Bhengi racho raiva nemari yokutanga yemamiriyoni matatu Yen, iyo imwe yemamiriyoni yakashandiswa neHurumende yeMari. Bhengi racho rakaumbwa maererano neHong Kong neShanghai Banking Corporation, iyo yaiva nesimba guru pakutengeserana kweJapan kune dzimwe nyika uye mari yokumwe panguva iyoyo. Hofisi yebazi yakavhurwa muKobe gare gare gore iroro. 