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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EXA28
Universal
Schema-as-Firewall
OpenAPI 3.1 + JSON Schema 2020-12 contracts cryptographically enforced at the gateway — malformed payloads rejected without decryption.
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.
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.
EXA49
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.
EXA57
Universal
Mobile App Telemetry
Your app uploads everything the user touches — Polymonial seals events so the backend gets analytics, not behavioural fingerprints.
EXA62
Retail
Phantom Returns
Prove every refund is a genuine, first-time, in-scheme container — with no central record of who returned what.
EXA64
Retail
The Wallet That Can't Leak
Prove a consumer got every deposit back — without ever learning who they are.
EXA65
Insurance
Insurance Claims
Settle a claim in the browser — without the policy, the diagnosis or the loss report ever leaving the claimant.
EXA70
Healthcare
Confidential Diagnostics
Run the diagnostic model in the browser — the patient scan never leaves the device.