数字现金

从安全网站到数字现金SSL都是现在信息技术的一个基本组成部分。

From secure Web access to digital cash , SSL is an essential part of today 's information system .

本文给出了一个基于RSA加密系统的脱线式数字现金支付系统。

In this paper , we introduce an off line digital cash system based on the RSA encryption system .

一种具有存储值的智能卡，它可装有银行的或来自家庭中ElectronicWallet的数字现金，并在正确装配的销售点系统装置上消费。

Electronic Purse : A smart card with stored value that can be loaded with digital cash at banks or from electronic wallets in the home and spent at properly equipped point-of-sale system devices .

通过在电子交易系统的实际应用和BZL逻辑的形式化验证，证明了提出的数字现金协议是一个强壮的协议。

The protocol proves strong by using the factual system and being verified by the BZL logic .

为了形式化验证数字现金的安全性，本文在经典一阶逻辑的基础上，吸取了多类逻辑、动态逻辑和非单调逻辑的思想，提出了BZL逻辑模型。

In order to formalize and verify the protocol , BZL logic model is built , which based on first-order logic and introduces many-sorted , dynamic and non-monotony logic .

数字现金普及应用的影响

Influence of Application & Popularity of the Flowing of Digital Cash

数字现金账户类似于传统银行账户；

Digital-cash accounts are similar to traditional bank accounts ;

数字现金是电子货币的一种形式。

Digital cash is one example of digital currency .

该协议解决了数字现金匿名和可追踪性的矛盾，保证了数字现金的强安全性。

Furthermore , it strengthens the security of digital-cash .

一种脱线式数字现金系统

An Off - Line Digital Cash System

数字现金的机理分析

The Analysis of Digital Cash 's Principle

信用卡支付，数字现金，电子钱包，智能卡，微支付和电子账单呈递与支付是处理网上交易的方法。

Credit-card payment , digital cash and e-wallets , smart cards , micropayments and electronic bill presentment and payment are methods for conducting online transactions .

目前，在数字现金研究领域国外已有一些研究成果，国内尚处于学习国外技术的初级阶段。

There have been some research results abroad in the field of digital-cash . However , our country is still on the elementary stage to study foreign techniques .

论文根据混合式数字现金支付模式设计了混合模式的一卡通体系，融合了基于宽带网络和智能卡终端系统的功能，使智能卡应用与网络电子商务相结合。

The dissertation devised one card system according to multi-payment of e-cash which can help realize the community multi-payment mode , then combined the application of smart card and e-business .

这些数字不包括现金收入。

These figures exclude cash receipts .

目前应用较多的电子支付方式是信用卡和电子支票，但是随着基于纸张的经济向数字经济的转变，数字现金将成为主宰。

Now credit cards and electronic cheques are widely used , but with the transition from paper economy to digital economy , digital-cash will certainly become the main approach of electronic payment .

随着计算机因特网、数字签名、电子商务和数字现金的推广，信息交换的安全性日益重要。

As the prevalence of internet , digital signature , electronic commerce and digital cash , the security of information becomes more and more important .

在现有基于身份的数字签名方案的基础上提出了基于身份的群签名系统并讨论了群签名在数字现金中的应用；

Propose a new ID-based group signature with existed ID-based digital signature and discuss its application in digital cash ;