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personal-knowledge-base

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PrivacyNotes.app

End-to-end encrypted notes, tasks and journal, keyed by a 12-word BIP-39 phrase: no email, no password, no account to leak. Open core: client-side crypto (XChaCha20-Poly1305, HKDF-SHA256, Ed25519), key derivation, database schema and threat model, published so the privacy claims are falsifiable.

  • Updated Aug 25, 2026
  • PLpgSQL

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