“DEMO: AirCollect: Efficiently recovering hashed phone numbers leaked via Apple AirDrop” by Alexander Heinrich, Matthias Hollick, Thomas Schneider, Milan Stute, and Christian Weinert was accepted at 14. ACM Conference on Security and Privacy in Wireless and Mobile Networks (WiSec'21) Demo. This is a collaboration with the Secure Mobile Networking Lab (SEEMOO) of TU Darmstadt. More information can be found here.