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Proceedings on Privacy Enhancing Technologies
Digital contact-tracing (DCT) applications have been installed on more than 188 M smartphones worldwide as an effective mechanism for monitoring contact with COVID-19 infected individuals. DCT is promising not only for COVID-19, but also for preparing for a possible future large-scale pandemic. The DCT framework is unique in that it combines Bluetooth Low Energy (BLE) communications with cryptography techniques to track exposure on a large scale while protecting user privacy. The objective ofdoi:10.56553/popets-2022-0103 fatcat:32d6xtz2djbc5ckcgqfba43mgm