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- DIY vs Shield
Specter DIY vs Specter Shield
What DIY does better (1) and where Shield wins (4) — every spec side by side.
Why is DIY better than Shield?
- Thickness20 mm vs 26 mm+30%
Why is Shield better than DIY?
- Secure Element chipNo · DIY: Yes
- NFC backup cardNo · DIY: Yes
- Built-in batteryNo · DIY: Yes
- Weight369 g vs 248 g+49%
Specifications
Side by side
| Security | ||
| Secure Element chip | No | Yes |
| Air-gapped signing | Yes | Yes |
| 100% air-gapped | Yes | Yes |
| Supply-chain & tamper protection | Yes | Yes |
| Secure boot | Yes | Yes |
| 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 | MIT |
| Upgradable firmware | Yes | Yes |
| Firmware update via | microSD | microSD |
| Bitcoin-only firmware / edition | Yes | Yes |
| Device lock | ||
| PIN lock | Yes | Yes |
| PIN entered on the device | Yes | Yes |
| Fingerprint unlock | No | No |
| Duress PIN / decoy wallet | No | No |
| Brick / wipe PIN | No | No |
| Wipe after failed attempts | Yes | Yes |
| Time-delayed unlock | No | No |
| Anti-phishing words | Yes | Yes |
| Keys & backup | ||
| BIP39 passphrase | Yes | Yes |
| Shamir backup (SLIP-39) | No | No |
| Seed XOR | No | No |
| BIP85 child seeds | Yes | Yes |
| 24-word seed | Yes | Yes |
| SeedQR backup | Yes | Yes |
| microSD backup | Yes | Yes |
| NFC backup card | No | Yes |
| User-added entropy (dice) | Yes | Yes |
| Stateless use (no stored keys) | Yes | Yes |
| Multiple seeds on one device | No | No |
| Bitcoin features | ||
| Multisig | Yes | Yes |
| Taproot | Yes | Yes |
| Miniscript | Yes | Yes |
| 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 | No |
| Bitcoin only | Yes | Yes |
| Connectivity | ||
| Signing connectivity | USB, QR code, microSD | USB, QR code, microSD |
| USB | Yes | Yes |
| USB-C | No | No |
| Bluetooth | No | No |
| NFC | No | No |
| QR code camera | Yes | Yes |
| Animated QR (UR) | Yes | Yes |
| microSD signing | Yes | Yes |
| Screen & input | ||
| Screen | Yes | Yes |
| Screen size | 4″ | 4″ |
| Screen type | LCD | LCD |
| Screen resolution | 800 × 480 | 800 × 480 |
| Touchscreen | Yes | Yes |
| Colour screen | Yes | Yes |
| Gorilla Glass | No | No |
| Controls | Touch Screen | Touch Screen |
| QWERTY keyboard | Yes | Yes |
| Battery & power | ||
| Built-in battery | No | Yes |
| Battery capacity | — | 1,400 mAh |
| Removable battery | — | Yes |
| Wireless charging | No | No |
| Design | ||
| Weight | 369 g | 248 g |
| Length | 167 mm | 134 mm |
| Width | 65 mm | 67 mm |
| Thickness | 20 mm | 26 mm |
| Materials | Plastic | Plastic |
| Water / dust resistance | No | No |
| Several colours available | Yes | Yes |
| DIY build possible | Yes | Yes |
| Apps | ||
| Official apps | Windows, macOS, Linux | Windows, macOS, Linux |
| Desktop app | Yes | Yes |
| Mobile app | No | No |
| Works with wallet apps | Bitcoin Safe, Wasabi, Nunchuk, Cove, Electrum, Sparrow, Specter Desktop, BlueWallet, Bitcoin Keeper, Bull, Liana | Bitcoin Safe, Wasabi, Nunchuk, Cove, Electrum, Sparrow, Specter Desktop, BlueWallet, Bitcoin Keeper, Bull, Liana |
| Compatible third-party wallets | 11 | 11 |
| Other features | ||
| FIDO2 / U2F security key | No | No |
| Password manager | No | No |
