Hardware e-money is card-based e-money, mostly used by retailers. In most of the cases it is used for small payments or for one type of payment. It can be divided according to the purpose, for example e-money cards for parking payments, for transportation; according to the location they are used at-only in the university area, in the sport centers; or according to the technology they use-those that can be passed through a reader or those which are readable without contact
