Case studyProductPrivate
bancai
Personal-first finance OS: bank + crypto aggregation, RO invoicing, AI copilot.
2026–2026
Turborepo monorepo (Next.js, Drizzle + Postgres RLS, Auth.js + passkeys, Stripe, Inngest, Expo, Tauri) that aggregates FIAT and on-chain accounts, does e-Factura / PFA tax / SAF-T for Romania and runs an L0–L5 AI autonomy ladder with a tamper-evident audit chain, OAuth 2.1 server, REST/GraphQL/MCP APIs and TS + Python SDKs. Paused before launch; the invoicing half lives on in Brivio.
Surfaces
- Web
- Mobile (Expo)
- Desktop (Tauri)
- REST / GraphQL / MCP
- SDK (TS + Python)