Islands and several identities on one device: how we make privacy part of the architecture

▤ Summary

This piece explains how the RCQ messenger builds privacy into its core architecture. It highlights multiple user identities on one device, sealed sender, and end-to-end encryption. It also describes device and account isolation using UUIDs and UINs to protect metadata and reduce cross-linking. The article further discusses forward secrecy and defensive design choices against advanced spyware such as Pegasus. It ends with links to the iOS, Android, server reference, and specification repositories.

▦ Linked Companies