On receiving this signed order, the online-trade server needs to validate the uniqueness of the nonce and check whether its identity is specified as the intended recipient.

一接收到经签名的订单，在线交易服务器就需要确认现时标志的唯一性，并检查其身份是否被指定为目标接收方。

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A nonce is a non-repeating string freshly generated by the sender (the signer) such that the intended recipient can check its uniqueness.

现时标志是一个由发送方(签名者)新生成的无重复字符串，这样目标接收方就能检查其唯一性了。

youdao

So just double check to make sure that you have the right recipient.

只要再检查一遍，确保收信人是对的就可以了。

youdao

That way Berlin, writer of the biggest check, could control the process and force a wayward recipient to reform itself.

WSJ: EU Set a Secret Group to Save the Euro

It promises the recipient "long-term tax relief" in addition to the upcoming check.

CNN: Senate Democrat blasts tax rebate letter