WibsonTree：在分散的数据市场中有效保护卖家的隐私
WibsonTree: Efficiently Preserving Seller's Privacy in a Decentralized Data Marketplace
摘要：
我们提出了一个加密原语称为WibsonTree，旨在保护用户的隐私，允许他们展示自己的个人属性上的谓词，而不透露这些属性的值。我们假设有三种类型的代理-买家，卖家和公证人-他们在分散的隐私保护数据市场（dPDM）中进行交互，如Wibson市场。我们介绍的WibsonTree协议作为一个有效的加密原语，使交换的私人信息，同时保护卖方的隐私。使用我们的原语，数据卖方可以有效地证明他/她属于买方数据请求的目标受众，而无需透露任何额外的信息。
英文摘要：
We present a cryptographic primitive called WibsonTree designed to preserve users' privacy by allowing them to demonstrate predicates on their personal attributes, without revealing the values of those attributes. We suppose that there are three types of agents --buyers, sellers and notaries-- who interact in a decentralized privacy-preserving data marketplace (dPDM) such as the Wibson marketplace. We introduce the WibsonTree protocol as an efficient cryptographic primitive that enables the exchange of private information while preserving the seller's privacy. Using our primitive, a data seller can efficiently prove that he/she belongs to the target audience of a buyer's data request, without revealing any additional information.
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