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链上隐私数据 | Simplexity #8

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simplexity-ckcclc opened this issue Oct 12, 2021 · 0 comments
Open

链上隐私数据 | Simplexity #8

simplexity-ckcclc opened this issue Oct 12, 2021 · 0 comments

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@simplexity-ckcclc
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https://simplexity.cn/2020/11/04/privacy-on-chain/

由于区块链各参与方可能存在利益冲突,不愿意将私有数据上链,催生了链上隐私数据的需求。对于不同的隐私等级存在相应的处理方式。 短期内隐私数据。指的是易变数据,一定期限后该数据的价值降低,例如波动的商品成交价。因为密码学破解在可预见的短期内无法达成,可以认为安全风险很小,因此可以使用流行的对称加密/非对称加密的方式,密文上链,相关方使用链下方式或者链上方式交换密钥。甚至可以单笔交易更换密钥,这样对于

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