Vardum
Post-quantum encrypted messaging, no phone number needed
Vardum (formerly VEIL) is post-quantum encrypted messaging with no phone number needed. Messages are end-to-end and post-quantum encrypted, and you sign up with no phone number or email. Chats can erase themselves on your schedule, and either side can wipe a thread. It is open source (AGPL-3.0); the cryptography is self-reviewed with an independent audit planned for early 2027. iOS beta is available now. Android closed beta now open (tryvardum.app/android/).
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