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- DIY vs Pro
Krux DIY vs OneKey Pro
What DIY does better (12) and where Pro wins (13) — every spec side by side.
Why is DIY better than Pro?
- Compatible third-party wallets12 vs 43×
- 100% air-gappedYes · Pro: No
- MiniscriptYes · Pro: No
- Bitcoin-only firmware / editionYes · Pro: No
- Anti-phishing wordsYes · Pro: No
- Seed XORYes · Pro: No
- BIP85 child seedsYes · Pro: No
- SeedQR backupYes · Pro: No
- microSD backupYes · Pro: No
- User-added entropy (dice)Yes · Pro: No
- Animated QR (UR)Yes · Pro: No
- microSD signingYes · Pro: No
Why is Pro better than DIY?
- Secure Element chipNo · DIY: Yes
- Mobile appNo · DIY: Yes
- Weight150 g vs 65 g2.3×
- Thickness16.5 mm vs 7.6 mm2.2×
- Fingerprint unlockNo · DIY: Yes
- Brick / wipe PINNo · DIY: Yes
- Wipe after failed attemptsNo · DIY: Yes
- USBNo · DIY: Yes
- BluetoothNo · DIY: Yes
- QWERTY keyboardNo · DIY: Yes
- Wireless chargingNo · DIY: Yes
- Desktop appNo · DIY: Yes
Specifications
Side by side
| Security | ||
| Secure Element chip | No | Yes |
| Secure Element certification | — | EAL6+ |
| Air-gapped signing | Yes | Yes |
| 100% air-gapped | Yes | No |
| Supply-chain & tamper protection | Yes | Yes |
| Secure boot | No | — |
| Anti-klepto (anti-exfil) signing | No | No |
| Firmware & open source | ||
| Open-source firmware | Yes | Yes |
| Source code available | Yes | Yes |
| Reproducible builds | Yes | Yes |
| Firmware licence | MIT | GPLv3 |
| Upgradable firmware | Yes | Yes |
| Firmware update via | USB, microSD | USB, Bluetooth |
| Bitcoin-only firmware / edition | Yes | No |
| Device lock | ||
| PIN lock | Yes | Yes |
| PIN entered on the device | Yes | Yes |
| Fingerprint unlock | No | Yes |
| Duress PIN / decoy wallet | No | No |
| Brick / wipe PIN | No | Yes |
| Wipe after failed attempts | No | Yes |
| Time-delayed unlock | No | No |
| Anti-phishing words | Yes | No |
| Keys & backup | ||
| BIP39 passphrase | Yes | Yes |
| Shamir backup (SLIP-39) | No | No |
| Seed XOR | Yes | No |
| BIP85 child seeds | Yes | No |
| 24-word seed | Yes | Yes |
| SeedQR backup | Yes | No |
| microSD backup | Yes | No |
| NFC backup card | No | No |
| User-added entropy (dice) | Yes | No |
| Stateless use (no stored keys) | Yes | No |
| Multiple seeds on one device | No | No |
| Bitcoin features | ||
| Multisig | Yes | Yes |
| Taproot | Yes | Yes |
| Miniscript | Yes | No |
| Message signing | Yes | Yes |
| Coin control | Yes | Yes |
| Own node connection | Yes | Yes |
| Tor support | Yes | Yes |
| Replace-by-fee | Yes | Yes |
| Silent Payments | No | No |
| Spending limits | No | No |
| Testnet | Yes | Yes |
| Supported assets | ||
| Altcoins & tokens | No | Yes |
| Bitcoin only | Yes | No |
| Connectivity | ||
| Signing connectivity | QR code, microSD | USB-C, Bluetooth, QR code |
| USB | No | Yes |
| USB-C | Yes | Yes |
| Bluetooth | No | Yes |
| NFC | No | — |
| QR code camera | Yes | Yes |
| Animated QR (UR) | Yes | No |
| microSD signing | Yes | No |
| Screen & input | ||
| Screen | Yes | Yes |
| Screen size | 3.5″ | 3.5″ |
| Screen type | TFT | IPS |
| Screen resolution | 320 × 480 | 480 × 800 |
| Touchscreen | Yes | Yes |
| Colour screen | Yes | Yes |
| Gorilla Glass | No | No |
| Controls | Touch Screen | Touch Screen |
| QWERTY keyboard | No | Yes |
| Battery & power | ||
| Built-in battery | Yes | Yes |
| Battery capacity | 520 mAh | 530 mAh |
| Removable battery | No | No |
| Wireless charging | No | Yes |
| Design | ||
| Weight | 150 g | 65 g |
| Length | 104.3 mm | 90.1 mm |
| Width | 63.3 mm | 54.4 mm |
| Thickness | 16.5 mm | 7.6 mm |
| Materials | Plastic | Aluminum alloy |
| Water / dust resistance | No | No |
| Several colours available | No | Yes |
| Warranty (months) | — | 12 |
| Assembled in | — | Hong Kong |
| DIY build possible | Yes | No |
| Apps | ||
| Official apps | — | Windows, macOS, Linux, Android, iOS, Browser extension |
| Desktop app | No | Yes |
| Mobile app | No | Yes |
| Works with wallet apps | Bitcoin Safe, Zeus, Nunchuk, Cove, Electrum, Sparrow, Specter Desktop, Blockstream Green, BlueWallet, Bitcoin Keeper, Bull, Liana | Electrum, Sparrow, Specter Desktop, Blockstream Green |
| Compatible third-party wallets | 12 | 4 |
| Other features | ||
| FIDO2 / U2F security key | No | Yes |
| Password manager | No | No |
