John is the American bailiff, in witness safekeeping of security main task.
蒸发密令约翰是美国法警，在证人安全保护中心工作。
Threshold mechanism and forward safety mechanism is two kinds of important method about key safekeeping of security.
门限机制和前向安全机制是有关密钥安全保护的两种重要思想。
"Safekeeping" means safety, security, or storage in a place where things won't get lost, stolen, or damaged.
“妥善保管”意味着安全，安全，或存储在一个不会丢失，被盗，或被破坏的地方。
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