A group of European privacy experts has proposed a decentralized system for Bluetooth-based COVID-19 contacts tracing which they argue offers greater protection against abuse and misuse of people’s data than apps which pull data into centralized pots. The protocol — which they’re calling Decentralized Privacy-Preserving Proximity Tracing (DP-PPT) — has been designed by around 25 academics from at least seven research institutions across Europe, including the Swiss Federal Institute of Technology, ETH Zurich and KU Leuven in the Netherlands.

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