Let me tell you something important I just read-and why you should care. I was going through the security & privacy model for S.I.G.N., and honestly, it’s one of the most thoughtful frameworks I’ve seen for protecting citizen data and making systems both private and auditable.
What stood out most is the core privacy principle: private to the public, auditable to lawful authorities.That means everyday people don’t get exposed-no random access to identities, payments, or eligibility info-but authorized auditors can verify everything when needed, without breaching privacy.
They clearly separate what stays off‑chain (like personal info) versus what can be on‑chain anchors (like cryptographic proofs), so sensitive data isn’t exposed but still verifiable.
Plus, it talks about real security goals-integrity, confidentiality, availability, non‑repudiation, and auditability-and how to implement everything from key management to role‑based access controls.
In short: it’s a privacy‑first system that still gives authorities the tools they need to inspect and verify without sacrificing security.