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- Tapsigner vs NFC Card
Coinkite Tapsigner vs Keycard NFC Card
What Tapsigner does better (1) and where NFC Card wins (0) — every spec side by side.
Why is Tapsigner better than NFC Card?
- Weight6 g vs 10 g+67%
Why is NFC Card better than Tapsigner?
NFC Card has no measurable advantages in this pair.
Specifications
Side by side
| Security | ||
| Secure Element chip | Yes | — |
| Air-gapped signing | No | — |
| 100% air-gapped | No | — |
| Supply-chain & tamper protection | Yes | — |
| Anti-klepto (anti-exfil) signing | No | — |
| Firmware & open source | ||
| Open-source firmware | No | — |
| Source code available | No | — |
| Reproducible builds | No | — |
| Upgradable firmware | No | — |
| Bitcoin-only firmware / edition | Yes | — |
| 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 | No | — |
| Time-delayed unlock | No | — |
| Anti-phishing words | No | — |
| Keys & backup | ||
| BIP39 passphrase | No | — |
| Shamir backup (SLIP-39) | No | — |
| Seed XOR | No | — |
| BIP85 child seeds | No | — |
| 24-word seed | No | — |
| 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 | No | — |
| 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 | NFC | — |
| USB | No | — |
| 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 | 6 g | 10 g |
| Length | 85.6 mm | 85 mm |
| Width | 54 mm | 54 mm |
| Thickness | — | 1 mm |
| Materials | Plastic | — |
| Water / dust resistance | Yes | — |
| Several colours available | No | — |
| Warranty (months) | 0 | — |
| Assembled in | Canada | — |
| DIY build possible | No | — |
| Apps | ||
| Desktop app | No | — |
| Mobile app | No | — |
| Works with wallet apps | Bitcoin Safe, Theya, Wasabi, Zeus, Nunchuk, Cove, Sparrow, Bitcoin Keeper | — |
| Compatible third-party wallets | 8 | — |
| Other features | ||
| FIDO2 / U2F security key | No | — |
| Password manager | No | — |
