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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EXA5
Finance
Multi-Jurisdiction Compliance
One dataset. Many regulators. Each gets their proof — no data crosses any border.
EXA9
Finance
Cross-Border Tax Reporting
Report to multiple tax authorities from one sealed dataset — each gets only its own answer.
EXA11
Healthcare
Clinical Trials & Personalised Medicine
Combine trial results across hospitals worldwide — without a single patient record crossing a border.
EXA12
Healthcare
Encrypted Medical Records
Encrypt every patient record once. Doctors see only what they need — enforced by maths, not policy.
EXA15
PublicSector
Sovereign Training Data Provenance
Prove your sovereign model was trained on cleared, in-country data — without revealing the corpus.
EXA21
Universal
Identity & Breaches
Replace passwords with fresh proofs. Every login. No database to breach.
EXA22
PublicSector
National ID Without Surveillance
A national identity scheme citizens trust — usable everywhere, observable nowhere.
EXA29
Finance
Threat Intelligence Sharing
Sector ISACs exchange STIX 2.1 indicators over TAXII 2.1 — Polymonial wraps the bundle so cross-correlation runs across every member without exposing any single contributor's customer list, network map, or detection method.
EXA30
Finance
Bitcoin Wallet Protection
Migrate your Bitcoin to quantum-safe cryptography — no hard fork, no new address, no protocol change.
EXA31
Universal
Certificate Migration
Move 10,000 TLS certificates to post-quantum cryptography without re-issuing through every CA. Code unchanged.
EXA33
Universal
Cross-Chain Bridge
Move value between blockchains with cryptographic proof — not validator trust.
EXA55
Universal
Customer Support Ticket Privacy
Customers paste credentials into support tickets — Polymonial detects and seals before tier-1 sees them.
EXA61
Universal
Cross-Border Data Transfer
Schrems II says assume hostile foreign surveillance — Polymonial says the surveiller finds nothing usable.
EXA69
Universal
AI Agent Identity
Prove an autonomous agent is who it claims and authorised to act — with no central identity honeypot.
EXA70
Healthcare
Confidential Diagnostics
Run the diagnostic model in the browser — the patient scan never leaves the device.