By analysing the electronic commerce protocol based on credit, the paper proposes an optimistic fair e-commerce protocol with electronic wallets.

本文在分析了基于信用透支的电子交易协议的基础上，提出了一种基于电子钱包的乐观公平交易协议。

youdao

By analysing the electronic commerce protocol based on credit, the paper proposes an optimistic fair e-commerce protocol with electronic wallets.

本文在分析了基于信用透支的电子交易协议的基础上，提出了一种基于电子钱包的乐观公平交易协议。

youdao