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- Bitkey (2026) vs Wallet
Block Bitkey (2026) vs Cardware Wallet
What Bitkey (2026) does better (7) and where Wallet wins (19) — every spec side by side.
vs
3.3Security9.5
6.4Open source3.0
2.6Bitcoin features4.9
8.8Ease of use3.6
4.3Connectivity6.2
Why is Bitkey (2026) better than Wallet?
- Open-source firmwareYes · Wallet: No
- TouchscreenYes · Wallet: No
- Mobile appYes · Wallet: No
- Upgradable firmwareYes · Wallet: No
- Fingerprint unlockYes · Wallet: No
- NFCYes · Wallet: No
- Built-in batteryYes · Wallet: No
Why is Wallet better than Bitkey (2026)?
- Secure Element chipNo · Bitkey (2026): Yes
- Air-gapped signingNo · Bitkey (2026): Yes
- 100% air-gappedNo · Bitkey (2026): Yes
- Anti-klepto (anti-exfil) signingNo · Bitkey (2026): Yes
- BIP39 passphraseNo · Bitkey (2026): Yes
- QR code cameraNo · Bitkey (2026): Yes
- Compatible third-party wallets0 vs 1
- Supply-chain & tamper protectionNo · Bitkey (2026): Yes
- PIN lockNo · Bitkey (2026): Yes
- PIN entered on the deviceNo · Bitkey (2026): Yes
- Wipe after failed attemptsNo · Bitkey (2026): Yes
- BIP85 child seedsNo · Bitkey (2026): Yes
Specifications
Side by side
| Security | ||
| Secure Element chip | No | Yes |
| Secure Element certification | — | EAL6+ |
| Air-gapped signing | No | Yes |
| 100% air-gapped | No | Yes |
| Supply-chain & tamper protection | No | Yes |
| Secure boot | Yes | — |
| Anti-klepto (anti-exfil) signing | No | Yes |
| Firmware & open source | ||
| Open-source firmware | Yes | No |
| Source code available | Yes | Yes |
| Reproducible builds | No | No |
| Firmware licence | MIT | — |
| Upgradable firmware | Yes | No |
| Firmware update via | NFC | — |
| Bitcoin-only firmware / edition | Yes | Yes |
| Device lock | ||
| PIN lock | No | Yes |
| PIN entered on the device | No | Yes |
| Fingerprint unlock | Yes | No |
| Duress PIN / decoy wallet | No | No |
| Brick / wipe PIN | No | No |
| Wipe after failed attempts | No | Yes |
| Time-delayed unlock | No | No |
| Anti-phishing words | No | No |
| Keys & backup | ||
| BIP39 passphrase | No | Yes |
| Shamir backup (SLIP-39) | No | No |
| Seed XOR | No | No |
| BIP85 child seeds | No | Yes |
| 24-word seed | No | Yes |
| SeedQR backup | No | No |
| microSD backup | No | No |
| NFC backup card | No | No |
| User-added entropy (dice) | No | Yes |
| Stateless use (no stored keys) | No | No |
| Multiple seeds on one device | No | No |
| Bitcoin features | ||
| Multisig | Yes | Yes |
| Taproot | No | No |
| Miniscript | No | No |
| Message signing | No | Yes |
| Coin control | Yes | Yes |
| Own node connection | Yes | Yes |
| Tor support | No | Yes |
| Replace-by-fee | No | Yes |
| Silent Payments | No | No |
| Spending limits | No | No |
| Testnet | No | No |
| Supported assets | ||
| Altcoins & tokens | No | No |
| Bitcoin only | Yes | Yes |
| Connectivity | ||
| Signing connectivity | NFC | QR code |
| USB | No | No |
| USB-C | Yes | Yes |
| Bluetooth | No | No |
| NFC | Yes | No |
| QR code camera | No | Yes |
| Animated QR (UR) | No | No |
| microSD signing | No | No |
| Screen & input | ||
| Screen | Yes | Yes |
| Screen size | — | 2.14″ |
| Screen type | OLED | LCD |
| Screen resolution | — | 128 × 160 |
| Touchscreen | Yes | No |
| Colour screen | Yes | Yes |
| Gorilla Glass | — | No |
| Controls | Touch Screen | Buttons |
| QWERTY keyboard | — | No |
| Battery & power | ||
| Built-in battery | Yes | No |
| Battery capacity | 330 mAh | — |
| Removable battery | No | — |
| Wireless charging | No | No |
| Design | ||
| Weight | 79 g | 60 g |
| Length | 66 mm | 86 mm |
| Width | 60 mm | 54 mm |
| Thickness | 13.6 mm | 11 mm |
| Materials | Corian and stainless steel | Plastic |
| Water / dust resistance | No | No |
| Several colours available | No | No |
| Warranty (months) | 12 | 12 |
| Assembled in | USA | South Africa |
| DIY build possible | No | No |
| Apps | ||
| Official apps | Android, iOS | Web |
| Desktop app | No | No |
| Mobile app | Yes | No |
| Works with wallet apps | — | Sparrow |
| Compatible third-party wallets | 0 | 1 |
| Other features | ||
| FIDO2 / U2F security key | No | No |
| Password manager | No | No |
