47 citations · 61 across the 4 of their papers we have counts for
Showing 2020 · cs.CRShow all
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cs.CR2020
Differentially Private Health Tokens for Estimating COVID-19 Risk
David Butler, Chris Hicks, James Bell +2
In the fight against Covid-19, many governments and businesses are in the process of evaluating, trialling and even implementing so-called immunity passports. Also known as antibod…
cs.CR2020★ 47 cited
TraceSecure: Towards Privacy Preserving Contact Tracing
James Bell, David Butler, Chris Hicks +1
Contact tracing is being widely employed to combat the spread of COVID-19. Many apps have been developed that allow for tracing to be done automatically based off location and inte…
cs.CR2020
Private Summation in the Multi-Message Shuffle Model
Borja Balle, James Bell, Adria Gascon +1
The shuffle model of differential privacy (Erlingsson et al. SODA 2019; Cheu et al. EUROCRYPT 2019) and its close relative encode-shuffle-analyze (Bittau et al. SOSP 2017) provide…