Finally, we propose an electronic commerce transaction system based on the forward secure threshold proxy signature scheme.

最后基于前向安全代理签名方案给出了一个电子交易方案。

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The next day, they met for smoothies in Palo Alto and came up with the idea that became PayPal: a system of electronic payment designed to make e-commerce easy, consistent, and secure.

NEWYORKER: No Death, No Taxes