Anh Pham Italo Dacosta Guillaume Endignoux Juan Ramón Troncoso-Pastoriza Kévin Huguenin Jean-Pierre Hubaux ORide: A Privacy-Preserving yet Accountable Ride-Hailing Service. 1235-1252 2017 USENIX Security Symposium https://www.usenix.org/conference/usenixsecurity17/technical-sessions/presentation/pham conf/uss/2017 db/conf/uss/uss2017.html#PhamDETHH17