v0.2 alpha — the first shippable version.

• In-person QR pairing + 4-word rotating verify.
• Long-distance pairing via encrypted transport package.
• Lost-phone recovery via paper or saved file.
• Multi-relationship + in-person rekey.
• Challenge-response fallback + printable card.
• Liveness prompts for video calls.
• Screenshot blocking. Offline-only. Zero telemetry.

Alpha: expect rough edges. Issues: https://github.com/digital-grease/signet/issues.
