k-Anonymous Crowd Flow Analytics
Valeriu-Daniel Stanciu, Maarten R. van Steen, Ciprian Dobre, Peter Andreas · 2020
Measuring pedestrian dynamics using the signals sent from smartphones has become popular. Notably, Wi-Fi-based systems are currently widely deployed. However, many such systems have also become subject to serious debate due to privacy infringement. For some time, secure hashing of a smartphone’s unique MAC address was considered to be sufficient, yet this method has been overruled by Europe’s General Data Protection Regulation which states that an individual should not be identifiable from any dataset without explicit prior consent.