Danger Element Analysis and Protocol Design of Electronic Cash Payment System

전자화폐지불시스템의 위험요소 분석 및 프로토콜 설계

The electronic cash, an electronic equivalent of the real paper money, has been recently proposed as one of the various payment methods for electronic commerce. In this paper, we design an electronic cash payment system based on a new electronic cash payment protocol that can effectively provide full anonymity and avoid double-spending. The protocol is suitable for use as the electronic cash control or electronic cash database. The protocol support also security and electronic cash property.