综述了电子支付中基于Pay Word的微支付机制,具体分析了Pay Word协议,并指出了该协议的优缺点。根据不同方面的改进对现有的基于Pay Word的改进微支付协议进行详细分类,最后讨论了当前基于Pay Word的改进微支付协议所存在的问题及进一步研究的方向。
This paper surveys the micro-payment system of electronic payment based on Pay Word.Pay Word protocol is concretely analyzed and the advantages and disadvantages of this protocol are pointed out.Some representative improved protocols based on Pay Word are detailedly classified according to the improved aspect.Finally,this paper gives a discussion on the problem in this field and the future research directions.