| 1. | An auditable offline e - cash scheme
一个可审计的离线电子现金方案 |
| 2. | In the e - cash system , anonymity is a very important factor
在电子现金系统中，匿名性是一个非常重要的方面。 |
| 3. | Following are the main results of this thesis : 1 ~ a survey on e - cash systems is given
研究分两个部分：一是电子现金系统；二是公钥基础设施。 |
| 4. | A complete anonymous e - cash named " pin money " is introduced , signed by blind rsa signature scheme
提出了一种“零花钱”的完全匿名的电子现金，其盲签名使用盲rsa签名。 |
| 5. | Besides , this dissertation has considered every phase of an e - cash system in constructing a practical e - cash system
此外本论文还考虑了一个电子现金系统中的各个环节，以构建一个实用的电子现金系统。 |
| 6. | 2 ~ an analysis of the e - cash systems is given and the open problems on the research of e - cash system are pointed out
（ 2 ）分析、讨论了各类电子现金系统的优缺点，指出了电子现金的研究方向和公开问题。 |
| 7. | As a result , the e - cash system with changeable anonymity accords with people ' s consuming habit much more , fits the development of e - commerce much more
最后对商家的匿名性进行了讨论。可变匿名性的电子现金系统更符合人们的消费习惯，更适合电子商务发展的需要 |
| 8. | The dissertation first gives an overview of the electronic payment system and the situation for e - cash . then it analyzes the influence brought by using e - cash
本论文首先对电子支付系统和电子现金的现状做了概要的介绍，接着分析使用电子现金的所带来的影响。 |
| 9. | To prevent e - cash from double - spending and unlimited increase in the records of databases , an improved offline e - cash system based on elliptic curve cryptography was proposed
摘要为防止电子现金重复花费和数据库记录无限制的膨胀问题，改进了现有的利用椭圆曲线密码系统构造的离线电子现金系统。 |
