i wonder if open cart has this payment feature that store balance code that created by admin and printed on paper(card) then admin or company can sell this card to costumer and when a user (costumer) login your store can add this card and have specific account balance like you sell 100 $ balance card and 50 $ balance card , it's just like prepaid plan on mobile !
this site have something like this http://www.boombeene.comthis is the cards !


thank you