White paper WP-006
PII-Free KYC by Design with Zero-Knowledge Identity Circuits
Pass KYC checks while your database stays empty of names and IDs.
At a glance
- Paper
- WP-006
- Topic
- PII-Free KYC by Design with Zero-Knowledge Identity Circuits
- Format
- PDF + web summary
- Signatures
- ML-DSA-65 post-quantum (NIST FIPS 204)
- Sandbox
- Reproducible at affix-io.com/sandbox
- Company
- AffixIO, Wales, UK
PII-Free KYC by Design with Zero-Knowledge Identity Circuits is an AffixIO technical paper. Pass KYC checks while your database stays empty of names and IDs.
KYC vaults become breach targets. AffixIO verifies eligibility attributes with ZK identity circuits so issuers see yes/no outcomes, not passport scans. GDPR Article 25 minimisation is enforced by the wire format.
Summary
KYC vaults become breach targets. AffixIO verifies eligibility attributes with ZK identity circuits so issuers see yes/no outcomes, not passport scans. GDPR Article 25 minimisation is enforced by the wire format.
Download the full PDF for technical detail, diagrams, and reproduction steps. Public sandbox: affix-io.com/sandbox.
Related reading
Frequently asked questions
What does PII-free KYC mean?
Proving a customer meets policy without persisting names, document numbers, or images in your systems.
Does this satisfy FATF requirements?
Travel rule and AML checks can consume eligibility proofs from regulated issuers rather than raw identity payloads.
Who holds the source identity?
Trusted issuers or wallets; verifiers only see proof digests and outcomes.