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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EXA2
Finance
Investor Due Diligence
Prove your financials match every diligence criterion — without opening a data room.
EXA7
Finance
Trade Finance
Prove every clause of a letter of credit is satisfied — without exposing the trade.
EXA11
Healthcare
Clinical Trials & Personalised Medicine
Combine trial results across hospitals worldwide — without a single patient record crossing a border.
EXA17
Healthcare
Federated Hospital Analytics
Aggregate clinical statistics across hospitals — without sharing a single patient record.
EXA25
Utilities
Smart Metering
Accurate billing without revealing when you're home, when you wake, when you leave.
EXA26
Insurance
Connected Vehicles
Telematics + V2V data flows under UN R155 / R156, AUTOSAR PKI, IEEE 1609 — Polymonial seals at the ECU so safe-driving proofs reach insurers without the full route, time, or behavioural pattern.
EXA27
Utilities
Critical Infrastructure Telemetry
Telemetry over IEC 61850 / DNP3 sealed at the device. NIS2 + IEC 62443 zone/conduit objectives met without the grid map ever leaving the operator's perimeter.
EXA28
Universal
Schema-as-Firewall
OpenAPI 3.1 + JSON Schema 2020-12 contracts cryptographically enforced at the gateway — malformed payloads rejected without decryption.
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.
EXA33
Universal
Cross-Chain Bridge
Move value between blockchains with cryptographic proof — not validator trust.
EXA37
Universal
API Schema Wrapping
Wrap your existing OpenAPI in cryptographic policy enforcement — same callers, same endpoints, less leakage.
EXA38
Universal
Sealed File Drops
SFTP CSV file drops still leak plaintext PII daily — Polymonial seals them at the row level so the recipient queries instead of reads.
EXA40
Healthcare
FHIR Selective Disclosure
When healthcare systems exchange a Patient resource today, the receiver gets the full record — Polymonial wraps each FHIR field so they get only what their role requires.
EXA42
Universal
Federated BI
Self-service BI tools today connect directly to the warehouse and see raw rows — Polymonial wraps the OData feed so analysts get aggregates, not row access.
EXA43
Universal
Privacy-Preserving Webhooks
SaaS webhooks deliver full event payloads to your endpoint — Polymonial wraps the payload so you unseal only the fields you actually need.
EXA44
Utilities
Smart-Meter Telemetry
Smart-meter telemetry crosses utility brokers, ISP backbones, and third-party aggregators in plaintext. Polymonial seals each message so the granular pattern never leaves the meter.
EXA45
Universal
Embedded Device PQC Readiness
Hundreds of millions of embedded devices — smart meters, connected vehicles, medical devices, industrial sensors, payment terminals — were deployed with classical cryptography baked into firmware. NIST has finalised the PQC standards (FIPS 203/204) and the migration runway has started. Polymonial is crypto-agile by design: each device migrates on its own schedule, and yesterday's signed reading still verifies tomorrow.
EXA46
Manufacturing
Industrial IoT Vendor Telemetry
PLC sensors stream telemetry to vendor clouds for predictive maintenance — and accidentally expose your production secrets.
EXA47
Universal
Customer-to-Customer Sharing
Two of your SaaS customers want to share data — today's API integrations grant full read access. Polymonial gives field-level partnerships.
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.
EXA50
Universal
Email Attachment Sealing
The biggest data leak in your organisation isn't a hacker — it's that email you sent yesterday with the customer spreadsheet attached.
EXA51
Universal
Internal Report Distribution
One Monday-morning exec report ships to ten inboxes today — Polymonial gives each exec their own view from the same sealed file.
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.
EXA53
Universal
Vendor Due Diligence Evidence
Prove every SIG / SOC2 / ISO control without handing the buyer your operational map.
EXA54
Finance
Third-Party Data Feed Queries
Pay for the market-data, credit-reference, or weather feed without giving the vendor a free intelligence feed on your strategy.
EXA56
Universal
Document Signing Privacy
Multi-party contracts share the entire document — Polymonial gives each signatory only the slice they need to see.
EXA57
Universal
Mobile App Telemetry
Your app uploads everything the user touches — Polymonial seals events so the backend gets analytics, not behavioural fingerprints.
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.
EXA59
Universal
Sealed Bids in Procurement
Procurement teams see all bids before deciding — Polymonial seals each bid so nobody peeks before the deadline.
EXA66
Finance
Loan Decisioning
Prove you qualify for the loan — without handing the lender your entire financial life.
EXA69
Universal
AI Agent Identity
Prove an autonomous agent is who it claims and authorised to act — with no central identity honeypot.
EXA71
Logistics
Aviation Data Authenticity
Prove a data feed is genuine and unaltered — from the source, not the middleman.
EXA72
Telecoms
Proven Message Rail
Prove every message is authentic and unaltered — without the rail operator ever reading it.