| 1. | 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。 |
| 2. | An electronic cash system with multiple banks based on proxy signature scheme
基于代理签名的多银行电子现金系统 |
| 3. | Cash system of accounting
收付实现制 |
| 4. | 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。 |
| 5. | An electronic cash system with multiple banks based on proxy signature from elliptic curve was proposed
摘要提出了一个基于椭圆曲线代理签名的多银行电子现金系统。 |
| 6. | Finally , two new and viable electronic cash systems are given with security and efficiency analysis
最后，提出了两种新的有效的电子货币体制，并对其进行了安全、效率等分析。 |
| 7. | 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。 |
| 8. | 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。 |
| 9. | Electronic cash systems , though less popular than other payment methods do provide several advantages as well as some disadvantages unique to electronic cash
电子货币系统不如其他付费方式那样普遍，虽然有其独特的缺陷，但是的确具有一些优势。 |
