Compare

See how Coldcard compares to Ledger, Trezor, Bitkey, and Blockstream devices across security architecture, features, and pricing, side by side.

Open-source firmware, proprietary app dependency, and what each approach means for your ability to verify what runs on your device.

Air-gapped signing, what it requires, and how each device handles the boundary between the signing environment and the internet.

The difference between full self-custody and collaborative custody, and what each model means for who controls your keys.

Two approaches to key protection: a dedicated secure element versus a blind oracle model, and the differences between the two.

How the two devices differ in form factor, interface, and signing workflow, and what those differences mean for day-to-day use.