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A Survey of Automatic Contact Tracing Approaches Using Bluetooth Low Energy

Author: Reichert, L., Brack, S., & Scheuermann, B.
Published in: Cryptology ePrint Archive, Report 2020(672)
Year: 2021
Type: Academic articles
DOI: 10.1145/3444847

To combat the ongoing Covid-19 pandemic, many new ways have been proposed on how to automate the process of finding infected people, also called contact tracing. A special focus was put on preserving the privacy of users. Bluetooth Low Energy as base technology has the most promising properties, so this survey focuses on automated contact tracing techniques using Bluetooth Low Energy. We define multiple classes of methods and identify two major groups: systems that rely on a server for finding new infections and systems that distribute this process. Existing approaches are systematically classified regarding security and privacy criteria.

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