Money changers were later divided into 'Honryogae' (main exchangers) who handled changing koban and chogin, i.e., gold and silver, money orders, deposits, lending and credit transactions agency through the issuance of credit bills, and 'Wakiryogae' (subsidiary exchangers) who specialized in copper coinage transactions.
両替商はやがて小判および丁銀の金銀両替および、為替、預金、貸付、手形の発行により信用取引を仲介する業務を行う本両替（ほんりょうがえ）と、専ら銭貨の売買を行う脇両替（わきりょうがえ）に分化していった。