Build log

Engineering work,in public

The public engineering record for ShieldFive. Posts land as milestones ship — cryptography migrations, post-quantum work, security reviews, audits. Written for developers and security researchers, not for marketing.

  • May 2026

    Phase 1 — Crypto migration to @shieldfive/crypto

    ShieldFive's cryptography moved from inline production code into a standalone open-source library, with the production deployment re-importing the library via a byte-identical v0 compatibility bridge. Wire format unchanged. Database unchanged. No user-visible change.

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