In addition, it was essential to procure national currency issued by the Edo bakufu (feudal government headed by a shogun) and to depend on the central market, in order to accomplish projects ordered by the bakufu such as Sankinkotai (a system under which daimyo were required to spend every other year in residence in Edo) and Goyofushin (civil engineering works ordered by the bakufu).
加えて参勤交代や御用普請などの公儀（江戸幕府）の命令に基づく事業を遂行するためには、全国的な貨幣である幕府発行正貨の調達と中央市場への依存が不可欠であった。