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Movsowitz Davidow, D., Manevich, Y., & Toch, E. 2023, Privacy-Preserving Transactions with Verifiable Local Differential Privacy. Paper presented at 5th Conference on Advances in Financial Technologies (AFT 2023). 
Added by: Rucknium (2024-01-05 18:56)   
Resource type: Proceedings Article
DOI: 10.4230/LIPIcs.AFT.2023.1
ID no. (ISBN etc.): 978-3-95977-303-4
BibTeX citation key: MovsowitzDavidow2023
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Categories: Not Monero-focused
Creators: Bonneau, Manevich, Movsowitz Davidow, Toch, Weinberg
Collection: 5th Conference on Advances in Financial Technologies (AFT 2023)
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Attachments   LIPIcs.AFT.2023.1.pdf [49/227] URLs   https://drops.dags ... /LIPIcs.AFT.2023.1
Privacy-preserving transaction systems on blockchain networks like Monero or Zcash provide complete transaction anonymity through cryptographic commitments or encryption. While this secures privacy, it inhibits the collection of statistical data, which current financial markets heavily rely on for economic and sociological research conducted by central banks, statistics bureaus, and research companies. Differential privacy techniques have been proposed to preserve individuals' privacy while still making aggregate analysis possible. We show that differential privacy and privacy-preserving transactions can coexist. We propose a modular scheme incorporating verifiable local differential privacy techniques into a privacy-preserving transaction system. We devise a novel technique that, on the one hand, ensures unbiased randomness and integrity when computing the differential privacy noise by the user and on the other hand, does not degrade the user’s privacy guarantees.
Added by: Rucknium  Last edited by: Rucknium
Keywords: Differential Privacy, Blockchain, Privacy Preserving, Verifiable Privacy
Added by: Rucknium  
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