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- Coldcard Q vs Classic 1S
Coinkite Coldcard Q vs OneKey Classic 1S
What Coldcard Q does better (18) and where Classic 1S wins (8) — every spec side by side.
vs
8.2Security8.1
4.9Open source9.3
8.8Bitcoin features6.0
5.6Ease of use5.8
7.8Connectivity7.2
Why is Coldcard Q better than Classic 1S?
- Compatible third-party wallets16 vs 44×
- Air-gapped signingYes · Classic 1S: No
- 100% air-gappedYes · Classic 1S: No
- MiniscriptYes · Classic 1S: No
- QR code cameraYes · Classic 1S: No
- Bitcoin-only firmware / editionYes · Classic 1S: No
- Duress PIN / decoy walletYes · Classic 1S: No
- Anti-phishing wordsYes · Classic 1S: No
- Seed XORYes · Classic 1S: No
- BIP85 child seedsYes · Classic 1S: No
- SeedQR backupYes · Classic 1S: No
- microSD backupYes · Classic 1S: No
Why is Classic 1S better than Coldcard Q?
- Open-source firmwareNo · Coldcard Q: Yes
- Mobile appNo · Coldcard Q: Yes
- Weight93 g vs 20 g4.5×
- Thickness22 mm vs 5.2 mm4.2×
- BluetoothNo · Coldcard Q: Yes
- Warranty (months)0 vs 12
- Desktop appNo · Coldcard Q: Yes
- FIDO2 / U2F security keyNo · Coldcard Q: Yes
Specifications
Side by side
| Security | ||
| Secure Element chip | Yes | Yes |
| Secure Element certification | — | EAL6+ |
| Dual Secure Elements | Yes | — |
| Air-gapped signing | Yes | No |
| 100% air-gapped | Yes | No |
| Supply-chain & tamper protection | Yes | Yes |
| Secure boot | Yes | — |
| Anti-klepto (anti-exfil) signing | No | No |
| Firmware & open source | ||
| Open-source firmware | No | Yes |
| Source code available | Yes | Yes |
| Reproducible builds | Yes | Yes |
| Firmware licence | MIT + anti-sell clause | GPLv3 |
| Upgradable firmware | Yes | Yes |
| Firmware update via | microSD | USB, Bluetooth |
| Bitcoin-only firmware / edition | Yes | No |
| Device lock | ||
| PIN lock | Yes | Yes |
| PIN entered on the device | Yes | Yes |
| Fingerprint unlock | No | No |
| Duress PIN / decoy wallet | Yes | No |
| Brick / wipe PIN | Yes | Yes |
| Wipe after failed attempts | Yes | Yes |
| Time-delayed unlock | Yes | No |
| Anti-phishing words | Yes | No |
| Keys & backup | ||
| BIP39 passphrase | Yes | Yes |
| Shamir backup (SLIP-39) | No | No |
| Seed XOR | Yes | No |
| BIP85 child seeds | Yes | No |
| 24-word seed | Yes | Yes |
| SeedQR backup | Yes | No |
| microSD backup | Yes | No |
| NFC backup card | No | No |
| User-added entropy (dice) | Yes | No |
| Stateless use (no stored keys) | Yes | No |
| Multiple seeds on one device | Yes | No |
| Bitcoin features | ||
| Multisig | Yes | Yes |
| Taproot | Yes | Yes |
| Miniscript | Yes | No |
| Message signing | 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 | Yes | No |
| Testnet | Yes | Yes |
| Supported assets | ||
| Altcoins & tokens | No | Yes |
| Bitcoin only | Yes | No |
| Connectivity | ||
| Signing connectivity | USB-C, NFC, QR code, microSD | USB-C, Bluetooth |
| USB | Yes | Yes |
| USB-C | Yes | Yes |
| Bluetooth | No | Yes |
| NFC | Yes | No |
| QR code camera | Yes | No |
| Animated QR (UR) | No | No |
| microSD signing | Yes | No |
| Screen & input | ||
| Screen | Yes | Yes |
| Screen size | 2.3″ | 2″ |
| Screen type | LCD | OLED |
| Screen resolution | 320 × 240 | 128 × 64 |
| Touchscreen | No | No |
| Colour screen | Yes | No |
| Gorilla Glass | No | No |
| Controls | Buttons | Buttons |
| QWERTY keyboard | Yes | No |
| Battery & power | ||
| Built-in battery | Yes | Yes |
| Battery capacity | — | 110 mAh |
| Removable battery | Yes | No |
| Wireless charging | No | No |
| Design | ||
| Weight | 93 g | 20 g |
| Length | 120 mm | 86 mm |
| Width | 75 mm | 52 mm |
| Thickness | 22 mm | 5.2 mm |
| Materials | Plastic | Plastic |
| Water / dust resistance | No | No |
| Several colours available | No | No |
| Warranty (months) | 0 | 12 |
| Assembled in | Canada | Hong Kong |
| DIY build possible | No | No |
| Apps | ||
| Official apps | — | Windows, macOS, Linux, Android, iOS, Browser extension |
| Desktop app | No | Yes |
| Mobile app | No | Yes |
| Works with wallet apps | Bitcoin Safe, Theya, Wasabi, Zeus, Nunchuk, Cove, Electrum, Sparrow, Specter Desktop, Blockstream Green, BlueWallet, Bitcoin Keeper, Bull, Liana, Casa, Unchained | Electrum, Sparrow, Specter Desktop, Blockstream Green |
| Compatible third-party wallets | 16 | 4 |
| Other features | ||
| FIDO2 / U2F security key | No | Yes |
| Password manager | Yes | No |
