Where it fits.
Use cases across industries and data flows. One foundation.
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.
Don’t see your problem here? Contact us and we’ll see how we can help, or join the waitlist!
EXA1
Finance
Tax Compliance
Prove your payroll meets the tax authority's thresholds and bands — without sending a single employee record.
EXA2
Finance
Investor Due Diligence
Prove your financials match every diligence criterion — without opening a data room.
EXA3
Finance
Pay Gap Reporting
Prove your pay gap meets the threshold — without disclosing a single salary.
EXA4
Finance
Tenant References
Prove you qualify to rent — without handing over months of bank statements.
EXA5
Finance
Multi-Jurisdiction Compliance
One dataset. Many regulators. Each gets their proof — no data crosses any border.
EXA6
Finance
Trade Finance
Prove every clause of a letter of credit is satisfied — without exposing the trade.
EXA7
Finance
KYC Once, Reuse Many
Onboard once. Prove your identity to many institutions. Never re-upload a document.
EXA8
Finance
Cross-Border Tax Reporting
Answer several tax authorities from one sealed dataset — each gets the answer to its own question.
EXA9
Healthcare
Encrypted Medical Records
Encrypt every patient record once. Doctors see only what they need — enforced by the keys each role holds, not by policy alone.
EXA10
Universal
AI Training Data
Prove your AI model meets every regulatory test — without revealing the data or the weights.
EXA11
Healthcare
Federated Hospital Analytics
Compare clinical facts across hospitals — without sharing a single patient record.
EXA12
Pharma
Pharmacovigilance
Adverse-event reporting under MHRA Yellow Card / FDA FAERS / EudraVigilance using the ICH E2B(R3) message format — Polymonial seals the clinical detail so the safety signal reaches regulators without identifying the patient.
EXA13
Universal
Age Verification
Prove this user is over 18 — no name, no date of birth, no document upload.
EXA14
Universal
Identity & Breaches
Replace passwords with fresh proofs. Every login. No password database.
EXA15
Media
Whistleblower Communication
Multi-hop confidential reporting that keeps the content protected at every hop.
EXA16
Utilities
Smart Metering
Accurate billing without revealing when you're home, when you wake, when you leave.
EXA17
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.
EXA18
Utilities
Critical Infrastructure Telemetry
Telemetry sealed at the device, health checks the operator can verify, and the grid map stays inside the operator's perimeter.
EXA19
Universal
Schema-as-Firewall
OpenAPI 3.1 + JSON Schema 2020-12 contracts cryptographically enforced at the gateway — malformed payloads rejected without decryption.
EXA20
Universal
Certificate Migration
Move signing keys to post-quantum algorithms one at a time, with the audit trail preserved.
EXA21
Retail
Luxury Goods Provenance
GS1 EPCIS traceability + ISO 22095 chain of custody + GS1 Digital Link — Polymonial seals the manufacturer-to-customer chain so authentic products carry a signed lineage and counterfeits don't.
EXA22
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.
EXA23
Finance
Bank Wires Without Identity Leak
ISO 20022 wires carry full beneficiary identity to every correspondent bank — Polymonial wraps the message so identity decrypts only at the destination.
EXA24
Universal
Federated BI
Self-service BI tools today connect directly to the warehouse and see raw rows — Polymonial seals the rows in the OData feed, so analysts open only what their role’s schema permits.
EXA25
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.
EXA26
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.
EXA27
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.
EXA28
Universal
OAuth Identity Token Slimming
Single sign-on tokens leak the full user profile to every relying party — Polymonial wraps the assertion so only requested claims decrypt.
EXA29
Universal
Email Attachment Sealing
A common data leak isn't a hacker — it's that email you sent yesterday with the customer spreadsheet attached.
EXA30
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.
EXA31
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.
EXA32
Universal
Vendor Due Diligence Evidence
Prove every SIG / SOC2 / ISO control without handing the buyer your operational map.
EXA33
Universal
Customer Support Ticket Privacy
Customers paste credentials into support tickets — Polymonial seals them before tier-1 sees them.
EXA34
Universal
Document Signing Privacy
Multi-party contracts share the entire document — Polymonial gives each signatory only the slice they need to see.
EXA35
Universal
Mobile App Telemetry
Your app uploads everything the user touches — Polymonial seals events so the backend gets analytics, not behavioural fingerprints.
EXA36
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.
EXA37
Universal
Sealed Bids in Procurement
Procurement teams see all bids before deciding — Polymonial seals each bid so nobody peeks before the deadline.
EXA38
Universal
HR Onboarding Fan-Out
One new-hire form fans out to 7 systems — Polymonial gives each system only the fields it needs.
EXA39
Universal
Cross-Border Data Transfer
After Schrems II, transfers need supplementary measures.
EXA40
Retail
Phantom Returns
Check every refund is a genuine, first-time, in-scheme container.
EXA41
Public sector
Regulator-Checked Audit
Check the scheme's collection figures — with the regulator re-deriving them itself from the stored events.
EXA42
Retail
The Anonymous Deposit Wallet
Give a consumer every deposit back — without storing who they are.
EXA43
Insurance
Insurance Claims
Settle a claim without the policy, the diagnosis or the loss report ever leaving the claimant.
EXA44
Finance
Loan Decisioning
Prove you qualify for the loan — without handing the lender your entire financial life.
EXA45
Universal
AI Agent Identity
Prove an autonomous agent is who it claims and authorised to act — with no central identity service.
EXA46
Logistics
Aviation Data Authenticity
Prove a data feed is genuine and unaltered — from the source, not the middleman.
EXA47
Telecoms
Proven Message Rail
Prove every message is authentic and unaltered — without the rail operator ever reading it.
EXA48
Travel & hospitality
Booking Messages You Can Trust
Guests can check that a booking confirmation or gate change really came from the airline or hotel.
EXA49
Travel & hospitality
Passenger Data, Sealed for the Border
Send passenger data so that only the receiving authority can open it, and any change shows.
EXA50
Defence
Field Reports, Signed at the Source
Check that a report or sensor reading came from who it says, unaltered, across partner systems.
EXA51
Healthcare
Lab Results You Can Trust
Check that a test result came from the lab, unaltered, wherever it was passed on.
EXA52
Healthcare
Urgent Care Handoffs You Can Trust
Pass an urgent-care record between services so that only the receiving clinician's service can open it, and any change shows.
EXA53
Travel & hospitality
Bookings Between Intermediaries
Check that a booking or fare is exactly what the airline or hotel issued, however many intermediaries handled it.
EXA54
Food & agriculture
Food Provenance
Each step from farm to shelf signs its own record, so a buyer can check who said what, and that it hasn't changed.
EXA55
Travel & hospitality
Check-In Without the Passport Copy
Confirm a guest is over 18 without keeping a copy of their document.
EXA56
Travel & hospitality
Loyalty Across Partners
Honour a partner's loyalty tier without seeing the member's travel history.
EXA57
Travel & hospitality
Stay Expenses Without the Minibar
Check a business stay is within policy without seeing every line of the bill.
EXA58
Space
Satellite Data You Can Trust
Check that imagery and sensor data are exactly what the operator issued, however many resellers handled them.
EXA59
Space
Commands Signed Before Uplink
Check that a command came from the authorised operator, unaltered, before acting on it.
EXA60
Defence
Coalition Checks Without the Full File
Answer a partner's question with a yes or a no, instead of handing over the record.
EXA61
Utilities
Meter Data Shared With Consent
Let a supplier or comparison service check your usage band, without handing over every half-hourly reading.
EXA62
Utilities
Grid Readings You Can Trust
Check that substation and generation readings are exactly what the source recorded, wherever they were passed on.
Trust that travels.
Secure, trusted and under your control.