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- SecSycript Card x1 vs DIY Card
KingMax SecSycript Card x1 vs Satochip DIY Card
What SecSycript Card x1 does better (0) and where DIY Card wins (2) — every spec side by side.
vs
2.6Open source9.2
Why is SecSycript Card x1 better than DIY Card?
SecSycript Card x1 has no measurable advantages in this pair.
Why is DIY Card better than SecSycript Card x1?
- Open-source firmwareNo · SecSycript Card x1: Yes
- Source code availableNo · SecSycript Card x1: Yes
Specifications
Side by side
| Security | ||
| Secure Element chip | — | Yes |
| Secure Element certification | — | EAL6+ |
| Air-gapped signing | — | No |
| 100% air-gapped | — | No |
| Supply-chain & tamper protection | — | Yes |
| Secure boot | — | No |
| Anti-klepto (anti-exfil) signing | — | No |
| Firmware & open source | ||
| Open-source firmware | No | Yes |
| Source code available | No | Yes |
| Reproducible builds | — | No |
| Firmware licence | — | Affero GPLv3 |
| Upgradable firmware | — | Yes |
| Firmware update via | — | NFC |
| Bitcoin-only firmware / edition | — | No |
| Device lock | ||
| PIN lock | — | Yes |
| PIN entered on the device | — | No |
| Fingerprint unlock | — | No |
| Duress PIN / decoy wallet | — | No |
| 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) | — | No |
| Seed XOR | — | No |
| BIP85 child seeds | — | No |
| 24-word seed | — | Yes |
| SeedQR backup | — | No |
| microSD backup | — | No |
| NFC backup card | — | No |
| User-added entropy (dice) | — | Yes |
| Stateless use (no stored keys) | — | No |
| Multiple seeds on one device | — | No |
| 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 | — | USB, NFC |
| USB | — | Yes |
| Bluetooth | — | No |
| NFC | — | Yes |
| QR code camera | — | No |
| Animated QR (UR) | — | No |
| microSD signing | — | No |
| Screen & input | ||
| Screen | — | No |
| Touchscreen | — | No |
| Colour screen | — | No |
| QWERTY keyboard | — | No |
| Battery & power | ||
| Built-in battery | — | No |
| Design | ||
| Weight | — | 5 g |
| Length | 86 mm | 85.6 mm |
| Width | 54 mm | 54 mm |
| Thickness | 0.9 mm | — |
| Materials | — | Plastic |
| Water / dust resistance | — | Yes |
| Several colours available | — | No |
| Warranty (months) | — | 24 |
| DIY build possible | — | Yes |
| Apps | ||
| Official apps | — | Android |
| Desktop app | — | No |
| Mobile app | — | Yes |
| Works with wallet apps | — | Electrum, Sparrow |
| Compatible third-party wallets | — | 2 |
| Other features | ||
| FIDO2 / U2F security key | — | No |
| Password manager | — | No |
