Hardware wallet
Coldcard vs Tangem
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.
Tangem
Tangem sells a card-shaped wallet that talks to a phone over NFC. The default backup is extra cards, and a seed phrase is optional. Price and the coin list were not verified, so they are not quoted.
Facts
| Fact | Coldcard | Tangem |
|---|---|---|
| Type | COLDCARD says it is a Bitcoin-only hardware wallet, with no required companion account or app. Verified 2026-10-26 | Tangem sells an NFC card wallet and says it is non-custodial. Keys are generated in the secure element and stay in the chip. Verified 2026-10-26 |
| Firmware | COLDCARD says the firmware is open source and reproducible. 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 | — |
| Backup | — | The default setup is seedless, with extra cards as the backup. Tangem says a seed phrase is optional. Verified 2026-10-26 |
| App source | — | Tangem says the app source is published and that the company does not run servers to process the chain transaction. Verified 2026-10-26 |
| Company | — | Tangem AG lists its headquarters in Zug, Switzerland. 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.
Tangem sources
- Type
Verified 2026-10-26
Tangem sells an NFC card wallet and says it is non-custodial. Keys are generated in the secure element and stay in the chip.
- Backup
Verified 2026-10-26
The default setup is seedless, with extra cards as the backup. Tangem says a seed phrase is optional.
- App source
Verified 2026-10-26
Tangem says the app source is published and that the company does not run servers to process the chain transaction.
- Company
Verified 2026-10-26
Tangem AG lists its headquarters in Zug, Switzerland.
Order on this site follows published fees. An Affiliate tag does not change it.