● Reference · Versions
Changelog
what changed in each version of the kit.
The kit version, and the version of each app inside it as set in its pubspec.yaml or launcher.
011.0.0 — first release
| App | Version | Source |
|---|---|---|
| NFC Crypto | 1.1.0 (build 10) | apps/nfc_crypto/pubspec.yaml |
| CryptoCard Wallet | 1.1.0 (build 2) | apps/cryptocard_wallet/pubspec.yaml |
| NFC Recovery | 1.0.0 (build 1) | apps/nfc_recovery/pubspec.yaml |
| Card Studio | 1.0.0 | shown at start-up |
NFC Crypto
- Self-custody wallet for EVM networks (Ethereum, Base, Arbitrum One, Optimism, Polygon, BNB Smart Chain, Avalanche, plus custom networks), Solana and Bitcoin: send, receive, swap, history, contacts, token approvals, WalletConnect.
- Card tab as the home screen: paired cards, roles, today's spend per Spender card, last approvals, quick actions.
- Card required to open the app, for payments and swaps, or both; checked inside every signer.
- Card roles (Owner, Backup, Spender) and Spender daily limits per network.
- Tap to pay and tap to get paid with public receive addresses on the card.
- PIN-encrypted recovery backup on the card (Argon2id + AES-256-GCM).
- Lost-card recovery with three words of the phrase or a 72-hour switch-off in network time.
- White label in
lib/brand/brand_config.dart, with a test that checks the native files. - Optional operator swap fee for 0x, 1inch and Jupiter, default off, capped at 2 %.
- No backend and no Firebase.
CryptoCard Wallet
- The card is the wallet: phrase only on the card, PIN-encrypted; the phone is watch-only.
- EVM networks and Solana from one phrase; starts on Sepolia and Solana Devnet.
- Card roles and daily limits; backup cards (clones) with their own PIN; PIN change.
- White label in
lib/brand/brand_config.dart.
NFC Recovery
- Offline, read-only: tap a card, enter the PIN, read the words. PIN throttle, words hidden after 60 s, no copy, screenshots blocked on Android.
- Accepts only cards from the hosts in
lib/white_label.dart.
Card Studio
- Dashboard, Reader (program, batch program, PIN check, erase), Cards, Customers, Clone (with a new PIN per copy), Activity and Settings.
- Simulated reader with sample data; white-label config file; macOS and Windows launchers.