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- Shell vs Pixel 3A Samourai Monerujo Hardware Wallet
Keycard Shell vs PixelHW Pixel 3A Samourai Monerujo Hardware Wallet
What Shell does better (2) and where Pixel 3A Samourai Monerujo Hardware Wallet wins (1) — every spec side by side.
vs
5.9Open source3.3
Why is Shell better than Pixel 3A Samourai Monerujo Hardware Wallet?
- Open-source firmwareYes · Pixel 3A Samourai Monerujo Hardware Wallet: No
- Source code availableYes · Pixel 3A Samourai Monerujo Hardware Wallet: No
Why is Pixel 3A Samourai Monerujo Hardware Wallet better than Shell?
- Thickness19 mm vs 8.2 mm2.3×
Specifications
Side by side
| Security | ||
| Secure Element chip | Yes | — |
| Secure Element certification | EAL6+ | — |
| Air-gapped signing | Yes | — |
| 100% air-gapped | No | — |
| Supply-chain & tamper protection | Yes | — |
| Secure boot | Yes | — |
| Anti-klepto (anti-exfil) signing | Yes | — |
| Firmware & open source | ||
| Open-source firmware | Yes | No |
| Source code available | Yes | No |
| Reproducible builds | Yes | — |
| Firmware licence | MIT | — |
| 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 | No | — |
| Duress PIN / decoy wallet | Yes | — |
| 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) | Yes | — |
| Seed XOR | No | — |
| BIP85 child seeds | No | — |
| 24-word seed | Yes | — |
| SeedQR backup | Yes | — |
| microSD backup | No | — |
| NFC backup card | Yes | — |
| User-added entropy (dice) | No | — |
| Stateless use (no stored keys) | Yes | — |
| Multiple seeds on one device | Yes | — |
| Bitcoin features | ||
| Multisig | Yes | — |
| Taproot | No | — |
| Miniscript | No | — |
| Message signing | No | — |
| Coin control | Yes | — |
| Own node connection | Yes | — |
| Tor support | Yes | — |
| Replace-by-fee | Yes | — |
| Silent Payments | No | — |
| Spending limits | No | — |
| Testnet | Yes | — |
| Supported assets | ||
| Altcoins & tokens | Yes | — |
| Bitcoin only | No | — |
| Connectivity | ||
| Signing connectivity | USB-C, NFC, QR code | — |
| USB | Yes | — |
| USB-C | Yes | — |
| Bluetooth | No | — |
| NFC | Yes | — |
| QR code camera | Yes | — |
| Animated QR (UR) | Yes | — |
| microSD signing | No | — |
| Screen & input | ||
| Screen | Yes | — |
| Screen size | 2″ | — |
| Screen type | TFT IPS | — |
| Screen resolution | 240 × 320 | — |
| Touchscreen | No | — |
| Colour screen | Yes | — |
| Gorilla Glass | No | — |
| Controls | Buttons | — |
| QWERTY keyboard | Yes | — |
| Battery & power | ||
| Built-in battery | Yes | — |
| Battery capacity | 800 mAh | — |
| Removable battery | Yes | — |
| Wireless charging | No | — |
| Design | ||
| Weight | — | 147 g |
| Length | 105 mm | 150 mm |
| Width | 65 mm | 70 mm |
| Thickness | 19 mm | 8.2 mm |
| Materials | ABS Plastic | — |
| Several colours available | No | — |
| Warranty (months) | 0 | — |
| Assembled in | China | — |
| DIY build possible | Yes | — |
| Apps | ||
| Desktop app | No | — |
| Mobile app | No | — |
| Works with wallet apps | Bitcoin Safe, Nunchuk, Cove, Sparrow, Specter Desktop, BlueWallet, Bull | — |
| Compatible third-party wallets | 7 | — |
| Other features | ||
| FIDO2 / U2F security key | No | — |
| Password manager | No | — |
