Ginza was also formed by "ginya," money changers who were also silver craftsmen and minted hallmarked silver coins in various parts of the country, starting in the Sengoku Period.
その他、戦国時代(日本)より現れた両替商兼銀細工師である銀屋（ぎんや）が各地で極印銀を鋳造し、銀座はこうした業者から成立した。