中文摘要：

背叛是到电子商务的发展的限制之一。在电子商务阻止背叛参加者，在这篇论文，一个安全电子支付计划被建议，它的安全被分析。这个计划能仅仅在未信任的第三方的帮助下阻止背叛。它很简单，它也改进安全并且提供非否认，负责，公平和隐私。

英文摘要：

Treachery is one of the restrictions to the development of electronic commerce. To prevent the treachery from the participants in electronic commerce, in this paper a secure electronic payment scheme is proposed and its security is analyzed. This scheme can prevent the treachery only with the aid of an un-trusted third party. It is very simple and it also improves the security and provides the non-repudiation, accountability, fairness and privacy.