In the wild.
70+ examples. One primitive. Across industries and data flows.
Polymonial does a lot. These use case examples show how — across the flows your business already runs (a CSV, an API, an EDI feed, a healthcare record exchange etc) and the problems it already faces (proving compliance, sharing data with partners, migrating off legacy crypto etc). Filter by your sector, the data flow you have today, the theme you care about, or the problem you’re trying to solve.
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EXA1
Finance
Tax Compliance
Prove your payroll meets every tax-authority rule — without sending a single employee record.
EXA5
Finance
Multi-Jurisdiction Compliance
One dataset. Many regulators. Each gets their proof — no data crosses any border.
EXA13
Universal
AI Training Data
Prove your AI model meets every regulatory test — without revealing the data or the weights.
EXA15
PublicSector
Sovereign Training Data Provenance
Prove your sovereign model was trained on cleared, in-country data — without revealing the corpus.
EXA23
PublicSector
Election Integrity
Every voter gets a receipt. The total is publicly verifiable. Ballot secrecy holds.
EXA35
Media
Media Provenance
C2PA content credentials + JPEG Trust + W3C Verifiable Credentials — Polymonial seals the sensor-to-broadcast chain so authentic footage carries an unforgeable lineage and deepfakes don't.
EXA36
Retail
Supply Chain
GS1 EPCIS traceability + ISO 22095 chain of custody + GS1 Digital Link — Polymonial seals the manufacturer-to-customer chain so authentic products carry an unforgeable lineage and counterfeits don't.
EXA48
Finance
Pension Contribution Privacy
Monthly payroll-to-pension files leak the salary book — Polymonial wraps each row so the provider verifies math without seeing salaries.
EXA52
Universal
GDPR Subject Access Response
The Subject Access Request bundle that doesn't expose the subject — assemble from sealed slices, ship as a sealed package.
EXA58
Universal
Audit Log Access by External Auditors
External auditors demand 12 months of log access — Polymonial wraps the feed so they verify controls without reading your activity.
EXA61
Universal
Cross-Border Data Transfer
Schrems II says assume hostile foreign surveillance — Polymonial says the surveiller finds nothing usable.
EXA65
Insurance
Insurance Claims
Settle a claim in the browser — without the policy, the diagnosis or the loss report ever leaving the claimant.
EXA71
Logistics
Aviation Data Authenticity
Prove a data feed is genuine and unaltered — from the source, not the middleman.