当奶牛遇上密码学:4个比喻图解ZK、FHE、MPC和TEE
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原文作者: NEBRA in Proof Summer
原文编译:深潮 TechFlow
1. ZK
你有一些牛奶。
你能证明这些牛奶来自 2 头牛,但你不知道具体是哪 2 头牛,也不知道它们是如何产奶的。
2. FHE(完全同态加密)
你有一个挤奶机。
你可以生产牛奶,而不需要知道是否存在 2 头牛。
3. MPC(多方计算)
你和你的邻居共同拥有 2 头牛。
你们各自可以挤奶,但谁也不知道自己挤的是奶牛的哪一部分。
4. TEE(受信执行环境)
你有 2 头牛。
你把它们养在一个安全的牛棚里,其他人无法进入。
牛只有在牛棚里才能挤奶。
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