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Towards A Hybrid Quantum Differential Privacy

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arxiv 2501.07844 v2 pith:PQBNUZFF submitted 2025-01-14 quant-ph cs.CR

Towards A Hybrid Quantum Differential Privacy

classification quant-ph cs.CR
keywords privacyquantumnoisedifferentialhybridadditionallyalgorithmaudits
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Quantum computing offers unparalleled processing power but raises significant data privacy challenges. Quantum Differential Privacy (QDP) leverages inherent quantum noise to safeguard privacy, surpassing traditional DP. This paper develops comprehensive noise profiles, identifies noise types beneficial for QDP, and highlights teh need for practical implementations beyond theoretical models. Existing QDP mechanisms, limited to single noise sources, fail to reflect teh multi-source noise reality of quantum systems. We propose a resilient hybrid QDP mechanism utilizing channel and measurement noise, optimizing privacy budgets to balance privacy and utility. Additionally, we introduce Lifted Quantum Differential Privacy, offering enhanced randomness for improved privacy audits and quantum algorithm evaluation.

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