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- DIY vs Lightning Tip Cards
Krux DIY vs Satoshi Engineering Lightning Tip Cards
What DIY does better (2) and where Lightning Tip Cards wins (0) — every spec side by side.
vs
5.9Open source8.1
Why is DIY better than Lightning Tip Cards?
- Open-source firmwareYes · Lightning Tip Cards: No
- Reproducible buildsYes · Lightning Tip Cards: No
Why is Lightning Tip Cards better than DIY?
Lightning Tip Cards has no measurable advantages in this pair.
Specifications
Side by side
| Security | ||
| Secure Element chip | No | — |
| Air-gapped signing | Yes | — |
| 100% air-gapped | Yes | — |
| Supply-chain & tamper protection | Yes | — |
| Secure boot | No | — |
| Anti-klepto (anti-exfil) signing | No | — |
| Firmware & open source | ||
| Open-source firmware | Yes | No |
| Source code available | Yes | Yes |
| Reproducible builds | Yes | No |
| Firmware licence | MIT | — |
| Upgradable firmware | Yes | Yes |
| Firmware update via | USB, microSD | — |
| Bitcoin-only firmware / edition | Yes | — |
| 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 | No | — |
| Time-delayed unlock | No | — |
| Anti-phishing words | Yes | — |
| Keys & backup | ||
| BIP39 passphrase | Yes | — |
| Shamir backup (SLIP-39) | No | — |
| Seed XOR | Yes | — |
| 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 | No | — |
| Bitcoin features | ||
| Multisig | Yes | — |
| Taproot | Yes | — |
| Miniscript | Yes | — |
| 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 | No | — |
| Bitcoin only | Yes | — |
| Connectivity | ||
| Signing connectivity | QR code, microSD | — |
| USB | No | — |
| USB-C | Yes | — |
| Bluetooth | No | — |
| NFC | No | — |
| QR code camera | Yes | — |
| Animated QR (UR) | Yes | — |
| microSD signing | Yes | — |
| Screen & input | ||
| Screen | Yes | — |
| Screen size | 3.5″ | — |
| Screen type | TFT | — |
| Screen resolution | 320 × 480 | — |
| Touchscreen | Yes | — |
| Colour screen | Yes | — |
| Gorilla Glass | No | — |
| Controls | Touch Screen | — |
| QWERTY keyboard | No | — |
| Battery & power | ||
| Built-in battery | Yes | — |
| Battery capacity | 520 mAh | — |
| Removable battery | No | — |
| Wireless charging | No | — |
| Design | ||
| Weight | 150 g | — |
| Length | 104.3 mm | — |
| Width | 63.3 mm | — |
| Thickness | 16.5 mm | — |
| Materials | Plastic | — |
| Water / dust resistance | No | — |
| Several colours available | No | — |
| DIY build possible | Yes | — |
| Apps | ||
| Desktop app | No | — |
| Mobile app | No | — |
| Works with wallet apps | Bitcoin Safe, Zeus, Nunchuk, Cove, Electrum, Sparrow, Specter Desktop, Blockstream Green, BlueWallet, Bitcoin Keeper, Bull, Liana | — |
| Compatible third-party wallets | 12 | — |
| Other features | ||
| FIDO2 / U2F security key | No | — |
| Password manager | No | — |
