People with disabilities often need to prove their status for accommodations, but physical cards are easily misplaced.
Create a wallet-style app with secure credential storage, QR verification, and offline access to documentation.
Local governments or disability organizations would pay to offer this as a service to their communities.
Start with basic ID storage and verification, then add features like temporary access codes for caregivers.
Biggest risk is handling sensitive medical data securely across jurisdictions with different privacy laws.