并证明了方案的安全性满足完全匿名性和完全可追踪性。
The scheme was verified to satisfy the security demand of full anonymity and full traceability.
完全匿名的电子现金很容易被拷贝后重复使用，所以公平的电子现金被要求在必要的时机能够撤销其匿名性。
Due to the inborn nature of easy duplication and reuse of E-cash, it is a requisite that the anonymity of E-cash be removed on certain occasions when necessary.
WTLS握手协议不满足前向安全性，非匿名验证模式下不满足用户匿名性，完全匿名模式下易遭受中间人攻击。
WTLS handshake protocol doesn't provide forward security, and lacks of user anonymity when not in the anonymous mode. It is vulnerable to man-in-the-middle attacks in completely anonymous mode.
WTLS握手协议不满足前向安全性，非匿名验证模式下不满足用户匿名性，完全匿名模式下易遭受中间人攻击。
WTLS handshake protocol doesn't provide forward security, and lacks of user anonymity when not in the anonymous mode. It is vulnerable to man-in-the-middle attacks in completely anonymous mode.
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