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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EXA8
Finance
KYC Once, Reuse Many
Onboard once. Prove your identity to many institutions. Never re-upload a document.
EXA20
Universal
Age Verification
Prove this user is over 18 — no name, no date of birth, no document upload.
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.
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.
EXA39
Retail
EDI Without Eavesdropping
EDI invoices and ASNs flow plaintext through every node in the trading chain — Polymonial seals each segment so intermediaries see only their slice.
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.
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.
EXA69
Universal
AI Agent Identity
Prove an autonomous agent is who it claims and authorised to act — with no central identity honeypot.