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Privastead is a privacy-preserving home security camera solution that uses end-to-end encryption through the OpenMLS implementation. It consists of a local camera hub, a mobile app for notifications and livestreaming, and an untrusted server for message relaying. The system ensures that only the hub and the mobile app can access unencrypted videos, and it supports various IP cameras with RTSP and ONVIF capabilities. The project also emphasizes minimal trust in the IP camera and does not conceal event timing from potential adversaries.