Same price ≈ €110
- Taproot
- Touchscreen
- Mobile app
- Secure Element chip
- Multisig
- isse.eu.com
- Hardware wallets
- Keycard Shell
- Alternatives
Alternatives to Keycard Shell
10 DIY signing devices at a similar price that compete with the Shell — what each does better, what it gives up and how the price compares.
approx. price≈ €110
5.0
Alternatives to the Shell
28% pricier ≈ €140
- 100% air-gapped
- Taproot
- Miniscript
- Secure Element chip
- Battery capacity 280 mAh vs 800 mAh
15% cheaper ≈ €90
- Taproot
- Miniscript
- Mobile app
- Secure Element chip
- Air-gapped signing
33% cheaper ≈ €75
- Taproot
- Mobile app
- Thickness 5.2 mm vs 19 mm
- Air-gapped signing
- Anti-klepto (anti-exfil) signing
15% cheaper ≈ €90
- Taproot
- Touchscreen
- Mobile app
- Open-source firmware
- Reproducible builds
35% cheaper ≈ €70
- 100% air-gapped
- Bitcoin-only firmware / edition
- BIP85 child seeds
- Open-source firmware
- Reproducible builds
15% cheaper ≈ €90
- Taproot
- Mobile app
- Thickness 5.2 mm vs 19 mm
- Air-gapped signing
- Anti-klepto (anti-exfil) signing
8% cheaper ≈ €100
- Thickness 8.2 mm vs 19 mm
- Open-source firmware
- Source code available
10% pricier ≈ €120
- Taproot
- Touchscreen
- Mobile app
- Air-gapped signing
- Anti-klepto (anti-exfil) signing
