由于本机数据类型是不可验证的，因此，即使实际上并没有使用，也必须移除所有包含本机数据类型的头文件。

Because native data types are non-verifiable, even if they are not actually used, you must remove all header files containing native types.

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对张劼等人提出的一类可验证的门限签名方案进行了安全性分析，发现它存在安全漏洞，容易受到合谋攻击和伪造攻击，并且不具备不可否认性。

Through the cryptanalysis of a verifiable threshold signature scheme presented by Zhang and Wen, concluded it not only exist collusion attack and forgery attack, but have no undeniability.

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它的作用主要是保障电子商务活动的完整性、公平性、可验证性、不可否认性等等。

Its main function is to protect the integrity, fairness, verifiability, non-repudiation of thee-commerce activities.

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