arXiv Computers and Society
arXiv Computers and Society
4 years ago

Digital Contact Tracing Service: An improved decentralized design for privacy and effectiveness. (arXiv:2006.16960v1 [cs.CY])

Kilian Holzapfel, Martina Karl, Linus Lotz, Georg Carle, Christian Djeffal, Christian Fruck, Christian Haack, Dirk Heckmann, Philipp H. Kindt, Michael Köppl, Patrick Krause, Lolian Shtembari, Lorenz Marx, Stephan Meighen-Berger, Birgit Neumair, Matthias Neumair, Julia Pollmann, Tina Pollmann, Elisa Resconi, Stefan Schönert, Andrea Turcati, Christoph Wiesinger, Giovanni Zattera, Christopher Allan, Esteban Barco, Kai Bitterschulte, Jörn Buchwald, Clara Fischer, Judith Gampe, Martin Häcker, Jasin Islami, Anatol Pomplun, Sebastian Preisner, Nele Quast, Christian Romberg, Christoph Steinlehner, Tjark Ziehm
We propose a decentralized digital contact tracing service that preserves the users' privacy by design while complying to the highest security standards. Our approach is based on Bluetooth and measures actual encounters of people, the contact time period, and estimates the proximity of the contact. We trace the users' contacts and the possible spread of infectious diseases while preventing location tracking of users, protecting their data and identity. We verify and improve the impact of tracking based on epidemiological models. We compare a centralized and decentralized approach on a legal perspective and find a decentralized approach preferable considering proportionality and data minimization.

Publisher URL: http://arxiv.org/abs/2006.16960

DOI: arXiv:2006.16960v1

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