Coldcard Mk4
Documented features for Coldcard Mk4. This is not a ranking or a recommendation.
Features
- Form factor
- USB device
- Display
- Monochrome
- Connection
- USB · NFC
- Platforms
- Windows · iOS · Linux · Android
- iPhone signing
- Full
- Air-gap
- Yes
- Secure element
- Yes
- Open-source firmware
- Yes
- Backup
- Seedphrase ✓ · SLIP39 ✕ · Vendor backup ✕
- Bitcoin
- Yes
- Ethereum / EVM
- No
- Solana
- No
- List price
- 177.94 USD