数字现金是电子货币的一种形式。

Digital cash is one example of digital currency.

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幽灵般的电子货币的出现会影响我们每一个人。

With the emergence of a phantom electronic currency, everyone of us would be affected.

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基于电子货币的支付协议可以通过盲签名的机制实现匿名交易。

In the payment protocol based on Ecash, the anonymity of the payment can be achieved by blind signature.

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