Coldcard
Ultra-secure Bitcoin hardware wallet with dual secure elements and offline signing.
Why We Recommend Coldcard
Bitcoin-only design. Dual secure elements. Fully air-gapped. Open-source firmware.
Best For
Ideal for Bitcoin holders seeking maximum security through air-gapping and advanced features like multisig support. Perfect for power users and privacy-conscious individuals who value hardware isolation and seed phrase protection without any altcoin distractions.
Services & Features
- Coldcard Mk4
- Coldcard Q (QWERTY + QR)
- SEEDPLATE backup
- Duress PIN
- Spending policies
Considerations
Steeper learning curve. Interface is functional, not pretty.