Improvement of the secure Micro-payment based on PAYWORD

With the development of IT,goods on the net have become a very important part of the daily consumables,and therefore,it becomes the focus to the developers as well as the consumers how to supply secure and effective means of payment.In this essay,the writers introduced the secure micro-payment,and on the base of it,discussed the existing multi secure micro-mechanism,evaluated comprehensively the superiority and inferiority of some typical mechanism,and designed a kind of improvement based on PAYWORD.