| Custody |
Non-custodial (hardware)
|
Non-custodial (hardware card)
|
| Hardware / software |
Hardware
|
Hardware
|
| Chains and coins |
Bitcoin-only (BTC, multisig, PSBT)
|
6,000+ tokens; major L1/L2
|
| Security certification |
Secure element; Bitcoin-focused air-gapped design
|
EAL6+ certified chip; audited
|
| Key model |
Seed on device; duress PIN; brick-me PIN
|
Seedless-by-default on card; backup optional
|
| Price |
Mk4 ~$157; Q ~$219
|
2-card set ~$54; higher packs available
|
| Platforms |
Standalone device; microSD and QR workflows
|
iOS, Android (NFC tap)
|
| Bluetooth / mobile |
Air-gapped (QR/SD); no Bluetooth or USB data
|
NFC mobile tap (no Bluetooth)
|
| Open source |
Partially open source
|
Partially open source SDK
|
| Staking / DeFi / NFT |
Bitcoin only; no DeFi/NFT
|
Staking and swaps via app partners
|