- isse.eu.com
- Compare
- Biometric Wallet vs Optimum
D'CENT Biometric Wallet vs Prokey Optimum
What Biometric Wallet does better (8) and where Optimum wins (6) — every spec side by side.
vs
3.8Security6.5
5.5Open source8.6
3.1Bitcoin features2.9
3.8Ease of use2.4
4.6Connectivity2.5
Why is Biometric Wallet better than Optimum?
- Mobile appYes · Optimum: No
- Compatible third-party wallets1 vs 0
- Thickness3 mm vs 9.4 mm3.1×
- Fingerprint unlockYes · Optimum: No
- Replace-by-feeYes · Optimum: No
- BluetoothYes · Optimum: No
- Built-in batteryYes · Optimum: No
- Screen size1.1″ vs 0.96″+15%
Why is Optimum better than Biometric Wallet?
- Open-source firmwareNo · Biometric Wallet: Yes
- Source code availableNo · Biometric Wallet: Yes
- Weight36 g vs 17 g2.2×
- Brick / wipe PINNo · Biometric Wallet: Yes
- USBNo · Biometric Wallet: Yes
- FIDO2 / U2F security keyNo · Biometric Wallet: Yes
Specifications
Side by side
| Security | ||
| Secure Element chip | Yes | Yes |
| Secure Element certification | EAL5+ | — |
| Air-gapped signing | No | No |
| 100% air-gapped | No | No |
| Supply-chain & tamper protection | Yes | Yes |
| Anti-klepto (anti-exfil) signing | No | No |
| Firmware & open source | ||
| Open-source firmware | No | Yes |
| Source code available | No | Yes |
| Reproducible builds | No | No |
| Firmware licence | — | Lesser GPLv3 |
| Upgradable firmware | Yes | Yes |
| Firmware update via | USB | USB |
| Bitcoin-only firmware / edition | No | No |
| Device lock | ||
| PIN lock | Yes | Yes |
| PIN entered on the device | Yes | Yes |
| Fingerprint unlock | Yes | No |
| Duress PIN / decoy wallet | No | No |
| Brick / wipe PIN | No | Yes |
| Wipe after failed attempts | Yes | Yes |
| Time-delayed unlock | No | No |
| Anti-phishing words | No | No |
| Keys & backup | ||
| BIP39 passphrase | Yes | Yes |
| Shamir backup (SLIP-39) | No | No |
| Seed XOR | No | No |
| BIP85 child seeds | No | No |
| 24-word seed | Yes | Yes |
| SeedQR backup | No | No |
| microSD backup | No | No |
| NFC backup card | No | No |
| User-added entropy (dice) | No | No |
| Stateless use (no stored keys) | No | No |
| Multiple seeds on one device | No | No |
| Bitcoin features | ||
| Multisig | No | No |
| Taproot | No | — |
| Miniscript | No | No |
| Message signing | — | No |
| Coin control | No | No |
| Own node connection | No | No |
| Tor support | No | No |
| Replace-by-fee | Yes | No |
| Silent Payments | No | No |
| Spending limits | No | No |
| Testnet | Yes | Yes |
| Supported assets | ||
| Altcoins & tokens | Yes | Yes |
| Bitcoin only | No | No |
| Connectivity | ||
| Signing connectivity | Bluetooth | USB |
| USB | No | Yes |
| USB-C | No | No |
| Bluetooth | Yes | No |
| NFC | No | No |
| QR code camera | No | No |
| Animated QR (UR) | No | No |
| microSD signing | No | No |
| Screen & input | ||
| Screen | Yes | Yes |
| Screen size | 1.1″ | 0.96″ |
| Screen type | OLED | LCD |
| Screen resolution | 128 × 128 | 128 × 64 |
| Touchscreen | No | No |
| Colour screen | No | No |
| Gorilla Glass | No | No |
| Controls | Buttons | Buttons |
| QWERTY keyboard | No | No |
| Battery & power | ||
| Built-in battery | Yes | No |
| Battery capacity | 585 mAh | — |
| Removable battery | No | — |
| Wireless charging | No | No |
| Design | ||
| Weight | 36 g | 17 g |
| Length | 77 mm | 50 mm |
| Width | 10.9 mm | 41 mm |
| Thickness | 3 mm | 9.4 mm |
| Materials | Plastic | Plastic |
| Water / dust resistance | No | No |
| Several colours available | No | No |
| Warranty (months) | 12 | 12 |
| Assembled in | Korea | — |
| DIY build possible | No | No |
| Apps | ||
| Official apps | Android, iOS | — |
| Desktop app | No | No |
| Mobile app | Yes | No |
| Works with wallet apps | Electrum | — |
| Compatible third-party wallets | 1 | 0 |
| Other features | ||
| FIDO2 / U2F security key | No | Yes |
| Password manager | No | No |
