Vassals received kuramai directly at first, but later on a system was adopted in which fudasashi (traders who received and sold kuramai on behalf of the government for a commission) would receive kuramai, sell it at an official price, then deduct the commissions and pay the proceeds to the vassals.
当初は蔵米が直接家臣に渡されたが、後には札差が公定価格で引き取って手数料を差し引いた後に家臣に代金を渡す方式も取られるようになった。