Technology Matrix
| Layer | Technology | Version | Purpose |
|---|
| Web Frontend | React | 19.x | SPA framework |
| TypeScript | 5.8 | Type safety |
| Vite | Latest | Build tool |
| Redux Toolkit | 2.9 | State management |
| Tailwind CSS | 4.x | Styling |
| Mobile | React Native | 0.79 | Cross-platform |
| Expo | 53 | Development platform |
| Expo Secure Store | - | Encrypted storage |
| Backend | Node.js | 18+ | Runtime |
| Express | 4.x | Web framework |
| TypeScript | 5.x | Type safety |
| JWT | - | Token auth |
| SSI | ACA-Py | 1.1.1 | SSI Agent |
| Indy SDK | - | Ledger interaction |
| DIDComm | v2 | Agent messaging |
| Database | PostgreSQL | 12+ | Primary database |
| Infra | Docker | Latest | Containerization |
| Kubernetes | 1.28+ | Orchestration |