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- KISS Signer DIY vs Passport Prime
DIYbitcoin KISS Signer DIY vs Foundation Passport Prime
What KISS Signer DIY does better (0) and where Passport Prime wins (2) — every spec side by side.
vs
7.4Open source8.8
Why is KISS Signer DIY better than Passport Prime?
KISS Signer DIY has no measurable advantages in this pair.
Why is Passport Prime better than KISS Signer DIY?
- Open-source firmwareNo · KISS Signer DIY: Yes
- Reproducible buildsNo · KISS Signer DIY: Yes
Specifications
Side by side
| Security | ||
| Secure Element chip | — | Yes |
| Air-gapped signing | — | Yes |
| 100% air-gapped | — | Yes |
| Supply-chain & tamper protection | — | Yes |
| Secure boot | — | Yes |
| Anti-klepto (anti-exfil) signing | — | No |
| Firmware & open source | ||
| Open-source firmware | No | Yes |
| Source code available | Yes | Yes |
| Reproducible builds | No | Yes |
| Firmware licence | — | GPLv3 |
| Upgradable firmware | Yes | Yes |
| Firmware update via | — | Bluetooth |
| Bitcoin-only firmware / edition | — | No |
| Device lock | ||
| PIN lock | — | Yes |
| PIN entered on the device | — | Yes |
| Fingerprint unlock | — | No |
| Duress PIN / decoy wallet | — | No |
| Brick / wipe PIN | — | No |
| Wipe after failed attempts | — | Yes |
| Time-delayed unlock | — | No |
| Anti-phishing words | — | Yes |
| Keys & backup | ||
| BIP39 passphrase | — | Yes |
| Shamir backup (SLIP-39) | — | Yes |
| Seed XOR | — | No |
| BIP85 child seeds | — | Yes |
| 24-word seed | — | Yes |
| SeedQR backup | — | Yes |
| microSD backup | — | Yes |
| NFC backup card | — | No |
| User-added entropy (dice) | — | Yes |
| Stateless use (no stored keys) | — | Yes |
| Multiple seeds on one device | — | Yes |
| Bitcoin features | ||
| Multisig | — | Yes |
| Taproot | — | Yes |
| Miniscript | — | No |
| Message signing | — | Yes |
| 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 | — | Bluetooth, QR code, microSD |
| USB | — | No |
| USB-C | — | Yes |
| Bluetooth | — | Yes |
| NFC | — | No |
| QR code camera | — | Yes |
| Animated QR (UR) | — | Yes |
| microSD signing | — | Yes |
| Screen & input | ||
| Screen | — | Yes |
| Screen size | — | 3.5″ |
| Screen type | — | IPS |
| Screen resolution | — | 480 × 800 |
| Touchscreen | — | Yes |
| Colour screen | — | Yes |
| Gorilla Glass | — | Yes |
| Controls | — | Touch Screen |
| QWERTY keyboard | — | Yes |
| Battery & power | ||
| Built-in battery | — | Yes |
| Battery capacity | — | 1,100 mAh |
| Removable battery | — | No |
| Wireless charging | — | No |
| Design | ||
| Weight | — | 93 g |
| Length | — | 104 mm |
| Width | — | 55.5 mm |
| Thickness | — | 11 mm |
| Materials | — | Aluminium |
| Water / dust resistance | — | Yes |
| Several colours available | — | Yes |
| Warranty (months) | — | 12 |
| Assembled in | — | USA |
| DIY build possible | — | No |
| Apps | ||
| Official apps | — | Android, iOS |
| Desktop app | — | No |
| Mobile app | — | Yes |
| Works with wallet apps | — | Bitcoin Safe, Theya, Wasabi, Zeus, Nunchuk, Cove, Electrum, Sparrow, Specter Desktop, Blockstream Green, BlueWallet, Bitcoin Keeper, Bull, Casa |
| Compatible third-party wallets | — | 14 |
| Other features | ||
| FIDO2 / U2F security key | — | Yes |
| Password manager | — | No |
