From an application system, this paper analyzes the privacy and authenticity of a security protocol in the electronic fund transfer system with a formal proof method.

从一个实用系统出发，采用形式化的证明方法，分析了电子资金转帐系统中安全协议的保密性和可鉴别性。

youdao

Similarly, not every superlative return generated by such fund is proof of excellence or fair dealings.

FORBES: "Villains" of Financial Crisis Wrestle with Misperceptions

Of course, there is a necessary element of market risk here: every bad outcome suffered by an alternative investment fund is not necessarily proof of incompetence or malfeasance.

FORBES: "Villains" of Financial Crisis Wrestle with Misperceptions