Reference
Documentation
Every fact below is sourced directly from the implementation — the same derivation code, rate-limit formula, and API schemas that actually run. Nothing here is approximated.
Security Model
Why NFC UIDs aren't secret, and how server-side salting closes the gap.
KDF & Derivation Pipeline
The exact steps from a card tap to three derived wallets.
Multi-Chain Support
Derivation paths and address formats for EVM, Bitcoin, and Solana.
Backend API Reference
Every endpoint, request/response shape, and status code.
Rate Limiting Policy
The exact escalating-lockout formula that replaces offline brute force.
Auto-Lock & Secure Memory
When the wallet wipes itself, and what "wipe" actually means.
Tech Stack
Every library and exact version, client and server.
Deployment Architecture
Dual entry points, sqlite vs. Redis, and the live Vercel deployment.