Privacy amplification via shuffling: Unified, simplified, and tightened

S Wang - arXiv preprint arXiv:2304.05007, 2023 - arxiv.org
In decentralized settings, the shuffle model of differential privacy has emerged as a
promising alternative to the classical local model. Analyzing privacy amplification via …

Renyi differential privacy in the shuffle model: Enhanced amplification bounds

E Chen, Y Cao, Y Ge - ICASSP 2024-2024 IEEE International …, 2024 - ieeexplore.ieee.org
The shuffle model of Differential Privacy (DP) has gained significant attention in privacy-
preserving data analysis due to its remarkable tradeoff between privacy and utility. It is …

A Generalized Shuffle Framework for Privacy Amplification: Strengthening Privacy Guarantees and Enhancing Utility

E Chen, Y Cao, Y Ge - Proceedings of the AAAI Conference on Artificial …, 2024 - ojs.aaai.org
The shuffle model of local differential privacy is an advanced method of privacy amplification
designed to enhance privacy protection with high utility. It achieves this by randomly …

On distributed differential privacy and counting distinct elements

L Chen, B Ghazi, R Kumar, P Manurangsi - arXiv preprint arXiv …, 2020 - arxiv.org
We study the setup where each of $ n $ users holds an element from a discrete set, and the
goal is to count the number of distinct elements across all users, under the constraint of …

Tight accounting in the shuffle model of differential privacy

A Koskela, MA Heikkilä, A Honkela - arXiv preprint arXiv:2106.00477, 2021 - arxiv.org
Shuffle model of differential privacy is a novel distributed privacy model based on a
combination of local privacy mechanisms and a secure shuffler. It has been shown that the …

On the power of multiple anonymous messages: Frequency estimation and selection in the shuffle model of differential privacy

B Ghazi, N Golowich, R Kumar, R Pagh… - … Conference on the …, 2021 - Springer
It is well-known that general secure multi-party computation can in principle be applied to
implement differentially private mechanisms over distributed data with utility matching the …

Differentially private histograms in the shuffle model from fake users

A Cheu, M Zhilyaev - 2022 IEEE Symposium on Security and …, 2022 - ieeexplore.ieee.org
There has been much recent work in the shuffle model of differential privacy, particularly for
approximate d-bin histograms. While these protocols achieve low error, the number of …

Hiding among the clones: A simple and nearly optimal analysis of privacy amplification by shuffling

V Feldman, A McMillan, K Talwar - 2021 IEEE 62nd Annual …, 2022 - ieeexplore.ieee.org
Recent work of Erlingsson, Feldman, Mironov, Raghunathan, Talwar, and Thakurta 1
demonstrates that random shuffling amplifies differential privacy guarantees of locally …

Privacy enhancement via dummy points in the shuffle model

X Li, W Liu, H Feng, K Huang, Y Hu… - … on Dependable and …, 2023 - ieeexplore.ieee.org
The shuffle model is recently proposed to address the issue of severe utility loss in Local
Differential Privacy (LDP) due to distributed data randomization. In the shuffle model, a …

Separating local & shuffled differential privacy via histograms

V Balcer, A Cheu - arXiv preprint arXiv:1911.06879, 2019 - arxiv.org
Recent work in differential privacy has highlighted the shuffled model as a promising avenue
to compute accurate statistics while keeping raw data in users' hands. We present a protocol …