🔍 BANKS · FINANCIAL INSTITUTIONS · COMPLIANCE TEAMS

Prove every customer and transaction was screened — not just a sample.

Sanctions exposure is the one compliance failure that produces immediate, headline-scale penalties. Demonstrating screening coverage to a supervisor normally means producing customer and transaction records. VeraZK proves that every record in the population was screened against the applicable lists, with no record skipped, and without a single customer identity appearing in the output.

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The Problem

Why the current approach forces a trade-off.

The obligation and the disclosure it demands are two separate things. Today they are bundled together — and that bundling is a choice, not a requirement.

The gap is always the unscreened record

Enforcement follows the record that was never checked. A sampled review is structurally incapable of surfacing that record, because the missing one is precisely what a sample can omit.

List coverage is not one list

SDN, sectoral designations, country programmes, EU consolidated entries, and local designations each carry their own scope. Proving coverage means proving it per list.

Screening records expose the customer base

The records that would demonstrate coverage are the customer base itself — data with its own protection obligations and competitive value.

Lists change continuously

A designation added mid-period creates a coverage question for records processed before and after. Periodic evidence handles this poorly.

How It Works

From your data to an independently verified proof.

The same four-step process used across every VeraZK service, configured for this proof type.

Configure Your Service

Select the proof service you need, map your data sources, and define the rules your data must satisfy. Configuration is declarative — a manifest file, not custom code.

Your Data Stays Inside Your Infrastructure

The VeraZK engine runs entirely within your own systems. Customer identifiers are irreversibly anonymised inside your hardware before any computation begins. Raw data never leaves your trust boundary.

The Proof is Generated

A post-quantum proof is computed over your data — proving the required properties without embedding any raw data in the output. The bundle is compact, tamper-evident, and carries a complete signed audit trail.

Anyone Can Verify — Independently

The regulator, your auditor, your counterparty, or any member of the public runs the verifier against the proof bundle. Verification requires no account and no call to our systems.

What This Service Does

Sanctions Screening Proof in practice.

Completeness proof over full screening records

Covers SDN, SSI, country sanctions, and local lists

Proves every record was screened — not just a sample

Zero customer identity exposure

What We Guarantee

Properties of the proof system, not promises about us.

🔒 The proof cannot be forged

Producing a false proof that passes verification is computationally impossible — even for the institution that generated it. A mathematical property, not a policy.

👁️ Zero data exposure

No customer record, transaction amount, balance, or proprietary data point appears in any proof bundle. Exposure is zero by construction.

🌐 Anyone can verify

The verifier requires no account, no licence, and no contact with us. Any regulator or auditor reaches the same result independently.

🛡️ Post-quantum secure

Resistant to both classical and quantum attack. No trusted setup ceremony, no shared secrets, no single point of trust.

🔗 Tamper-evident audit trail

Every stage of the pipeline produces a signed, chained record. Tampering between stages is cryptographically detectable.

⚡ Verification in seconds

Any proof can be verified in seconds on a standard laptop. No cloud infrastructure, no specialised hardware, no GPU.

Regulatory Fit

Configured to how each regime defines the obligation.

United States — OFACSDN and sectoral sanctions programmes carry extraterritorial reach over USD-denominated activity and US-nexus counterparties.

European UnionThe consolidated list applies across member states, with national competent authorities supervising implementation.

Morocco — ANRFNational designations and reporting obligations apply alongside international list coverage.

Switzerland — MROSSECO sanctions implementation with MROS as the reporting channel for suspicious activity.

FAQ

Questions specific to this service.

How is 'every record' actually established?+

Through a completeness proof: the submitted population is proven to be a complete and disjoint partition, so records cannot be quietly dropped from the set being attested. That property is what separates this from a sampled assurance.

Can different lists be proven separately?+

Yes. Each list is a distinct screening predicate, so coverage can be asserted per list rather than as a single undifferentiated claim.

What about designations added mid-period?+

List versioning is part of the configuration, so a proof states which list version each record was screened against rather than leaving the timing question open.

Does the supervisor see any customer data?+

No. The proof carries the coverage assertion. Customer identities and screening results stay inside your infrastructure.

Get Started

See a real proof, on your own infrastructure.

One day. No charge. No commitment. Your team runs the verifier before the session ends.

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