The double entity authentication and watermarking content authentication made it impossible to gain illegal access to E-cheque, to edit or to forge it.

该机制采用了双重身份认证方案和水印内容认证方案，使得非法接触以及修改电子支票，伪造其内容都是不可能的。

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This allowed him to avoid double-taxation (since the S Corp is a pass-through entity that pays no tax).

FORBES: What the Romney and Gingrich 1040s Tell Us About How We Tax The Rich