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- Pro 2 vs Optimum
OneKey Pro 2 vs Prokey Optimum
What Pro 2 does better (12) and where Optimum wins (1) — every spec side by side.
Why is Pro 2 better than Optimum?
- Screen size3.54″ vs 0.96″3.7×
- QR code cameraYes · Optimum: No
- TouchscreenYes · Optimum: No
- Fingerprint unlockYes · Optimum: No
- Shamir backup (SLIP-39)Yes · Optimum: No
- USB-CYes · Optimum: No
- BluetoothYes · Optimum: No
- NFCYes · Optimum: No
- Colour screenYes · Optimum: No
- Built-in batteryYes · Optimum: No
- Wireless chargingYes · Optimum: No
- Thickness6.2 mm vs 9.4 mm+52%
Why is Optimum better than Pro 2?
- Weight51 g vs 17 g3.1×
Specifications
Side by side
| Security | ||
| Secure Element chip | Yes | Yes |
| Secure Element certification | EAL6+ | — |
| 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 | Yes | Yes |
| Source code available | Yes | Yes |
| Reproducible builds | — | No |
| Firmware licence | — | Lesser GPLv3 |
| Upgradable firmware | — | Yes |
| Firmware update via | — | USB |
| Bitcoin-only firmware / edition | — | No |
| Device lock | ||
| PIN lock | — | Yes |
| PIN entered on the device | — | Yes |
| Fingerprint unlock | Yes | No |
| Duress PIN / decoy wallet | — | No |
| Brick / wipe PIN | — | Yes |
| Wipe after failed attempts | — | Yes |
| Time-delayed unlock | — | No |
| Anti-phishing words | — | No |
| Keys & backup | ||
| BIP39 passphrase | — | Yes |
| Shamir backup (SLIP-39) | Yes | 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 |
| Miniscript | — | No |
| Message signing | — | No |
| Coin control | — | No |
| Own node connection | — | No |
| Tor support | — | No |
| Replace-by-fee | — | No |
| Silent Payments | — | No |
| Spending limits | — | No |
| Testnet | — | Yes |
| Supported assets | ||
| Altcoins & tokens | — | Yes |
| Bitcoin only | — | No |
| Connectivity | ||
| Signing connectivity | USB-C, Bluetooth, NFC, QR | USB |
| USB | — | Yes |
| USB-C | Yes | No |
| Bluetooth | Yes | No |
| NFC | Yes | No |
| QR code camera | Yes | No |
| Animated QR (UR) | — | No |
| microSD signing | — | No |
| Screen & input | ||
| Screen | Yes | Yes |
| Screen size | 3.54″ | 0.96″ |
| Screen type | AMOLED | LCD |
| Screen resolution | 1024 × 604 | 128 × 64 |
| Touchscreen | Yes | No |
| Colour screen | Yes | No |
| Gorilla Glass | Yes | No |
| Controls | — | Buttons |
| QWERTY keyboard | — | No |
| Battery & power | ||
| Built-in battery | Yes | No |
| Battery capacity | 700 mAh | — |
| Wireless charging | Yes | No |
| Design | ||
| Weight | 51 g | 17 g |
| Length | 84.9 mm | 50 mm |
| Width | 53.2 mm | 41 mm |
| Thickness | 6.2 mm | 9.4 mm |
| Materials | Aluminum & Glass | Plastic |
| Water / dust resistance | — | No |
| Several colours available | — | No |
| Warranty (months) | — | 12 |
| DIY build possible | — | No |
| Apps | ||
| Desktop app | — | No |
| Mobile app | — | No |
| Compatible third-party wallets | — | 0 |
| Other features | ||
| FIDO2 / U2F security key | — | Yes |
| Password manager | — | No |
