Hardware wallet
Coldcard vs Keystone
Same kind of product, two profiles. Affiliate status is not how this page is ordered.
Coldcard
Coldcard is a Bitcoin-only hardware wallet. It is the wrong default if you need Ethereum or Solana. Price was not verified.
Keystone
Keystone is an air-gapped hardware wallet that moves transactions by QR code instead of a USB cable. Price and the exact coin list were not verified.
Facts
| Fact | Coldcard | Keystone |
|---|---|---|
| Type | COLDCARD says it is a Bitcoin-only hardware wallet, with no required companion account or app. Verified 2026-10-26 | Keystone describes the product as an open-source, air-gapped hardware wallet. Private keys stay offline. Verified 2026-10-26 |
| Firmware | COLDCARD says the firmware is open source and reproducible. Verified 2026-10-26 | Keystone offers a multi-coin firmware and a separate Bitcoin-only firmware. Verified 2026-10-26 |
| Security model | COLDCARD says the seed is split across two secure elements from different vendors, and that you can sign air-gapped with PSBT files. Verified 2026-10-26 | — |
| Recovery | — | Keystone says a backed-up seed phrase restores the wallet on a new Keystone or on any BIP-39 wallet. Verified 2026-10-26 |
Coldcard sources
- Type
Verified 2026-10-26
COLDCARD says it is a Bitcoin-only hardware wallet, with no required companion account or app.
- Firmware
Verified 2026-10-26
COLDCARD says the firmware is open source and reproducible.
- Security model
Verified 2026-10-26
COLDCARD says the seed is split across two secure elements from different vendors, and that you can sign air-gapped with PSBT files.
Keystone sources
- Type
Verified 2026-10-26
Keystone describes the product as an open-source, air-gapped hardware wallet. Private keys stay offline.
- Recovery
Verified 2026-10-26
Keystone says a backed-up seed phrase restores the wallet on a new Keystone or on any BIP-39 wallet.
- Firmware
Verified 2026-10-26
Keystone offers a multi-coin firmware and a separate Bitcoin-only firmware.
Order on this site follows published fees. An Affiliate tag does not change it.