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- Biometric Wallet vs Notary
D'CENT Biometric Wallet vs MIT CSAIL Notary
What Biometric Wallet does better (0) and where Notary wins (1) — every spec side by side.
5.5Open source7.4
Why is Biometric Wallet better than Notary?
Biometric Wallet has no measurable advantages in this pair.
Why is Notary better than Biometric Wallet?
- Source code availableNo · Biometric Wallet: Yes
Specifications
Side by side
| Security | ||
| Secure Element chip | Yes | — |
| Secure Element certification | EAL5+ | — |
| Air-gapped signing | No | — |
| 100% air-gapped | No | — |
| Supply-chain & tamper protection | Yes | — |
| Anti-klepto (anti-exfil) signing | No | — |
| Firmware & open source | ||
| Open-source firmware | No | No |
| Source code available | No | Yes |
| Reproducible builds | No | No |
| Upgradable firmware | Yes | Yes |
| Firmware update via | USB | — |
| Bitcoin-only firmware / edition | No | — |
| Device lock | ||
| PIN lock | Yes | — |
| PIN entered on the device | Yes | — |
| Fingerprint unlock | Yes | — |
| Duress PIN / decoy wallet | No | — |
| Brick / wipe PIN | No | — |
| Wipe after failed attempts | Yes | — |
| Time-delayed unlock | No | — |
| Anti-phishing words | No | — |
| Keys & backup | ||
| BIP39 passphrase | Yes | — |
| Shamir backup (SLIP-39) | No | — |
| Seed XOR | No | — |
| BIP85 child seeds | No | — |
| 24-word seed | Yes | — |
| SeedQR backup | No | — |
| microSD backup | No | — |
| NFC backup card | No | — |
| User-added entropy (dice) | No | — |
| Stateless use (no stored keys) | No | — |
| Multiple seeds on one device | No | — |
| Bitcoin features | ||
| Multisig | No | — |
| Taproot | No | — |
| Miniscript | No | — |
| Coin control | No | — |
| Own node connection | No | — |
| Tor support | No | — |
| Replace-by-fee | Yes | — |
| Silent Payments | No | — |
| Spending limits | No | — |
| Testnet | Yes | — |
| Supported assets | ||
| Altcoins & tokens | Yes | — |
| Bitcoin only | No | — |
| Connectivity | ||
| Signing connectivity | Bluetooth | — |
| USB | No | — |
| USB-C | No | — |
| Bluetooth | Yes | — |
| NFC | No | — |
| QR code camera | No | — |
| Animated QR (UR) | No | — |
| microSD signing | No | — |
| Screen & input | ||
| Screen | Yes | — |
| Screen size | 1.1″ | — |
| Screen type | OLED | — |
| Screen resolution | 128 × 128 | — |
| Touchscreen | No | — |
| Colour screen | No | — |
| Gorilla Glass | No | — |
| Controls | Buttons | — |
| QWERTY keyboard | No | — |
| Battery & power | ||
| Built-in battery | Yes | — |
| Battery capacity | 585 mAh | — |
| Removable battery | No | — |
| Wireless charging | No | — |
| Design | ||
| Weight | 36 g | — |
| Length | 77 mm | — |
| Width | 10.9 mm | — |
| Thickness | 3 mm | — |
| Materials | Plastic | — |
| Water / dust resistance | No | — |
| Several colours available | No | — |
| Warranty (months) | 12 | — |
| Assembled in | Korea | — |
| DIY build possible | No | — |
| Apps | ||
| Official apps | Android, iOS | — |
| Desktop app | No | — |
| Mobile app | Yes | — |
| Works with wallet apps | Electrum | — |
| Compatible third-party wallets | 1 | — |
| Other features | ||
| FIDO2 / U2F security key | No | — |
| Password manager | No | — |
