It is different from plain old electronic money in that it can be anonymous and untraceable except by the payer.
它和以前那种常见的电子货币的区别是它是匿名的，除了支付人之外，没有人能够追查到它。
It is different from plain old electronic money in that it can be anonymous and untraceable except by the payer.
它和以前那种常见的电子货币的区别是它是匿名的，除了支付人之外，没有人能够追查到它。
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