Tag

metadata-privacy

2 results tagged "metadata-privacy"

Projects

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tessera Python

Open-source privacy protocol for authenticated, metadata-private messaging — Schnorr zero-knowledge proofs, per-recipient blinded pseudonyms, and (ε,δ)-differentially-private cover traffic. No central authority.

MIT privacy code

Articles

Safe Computing

Proving Who Sent a Message Without Revealing To Whom

End-to-end encryption hides content but leaks the social graph. How Schnorr proofs over blinded pseudonyms let a recipient verify a sender with no directory.

metadata-privacyzero-knowledgeSchnorr