New technology has made it possible to pay for goods and services over the Internet. Some of the methods would link existing electronic banking and payment systems, including credit and debit card networks. Electronic money is based on stored-value or other technologies. Substantial private sector investment and competition is spurring an intense period of innovation that should benefit consumers and businesses wishing to engage in electronic commerce In the development of electronic payment systems, the commercial and technological environment is changing rapidly. In Korea K-Cash that is Korean electronic money has been debeloped and put in force by way of showing an example. In near period electronic money will be utilized extensively. Therefore as electronic payment systems develop, governments should work closely with the private sector to inform policy development, and ensure that governmental activities flexibly accommodate the needs of the emerging marketplace. It may be necessary to ensure the safety and soundness of electronic payment systems, to protect consumers, or to crear up legal problem on the electronic money.