Your cookie choices

We use necessary cookies to make this site work. With your permission, analytics cookies help us understand usage and marketing cookies support advertising.

You can reject non-essential cookies and still use the site. Change your choices anytime in Cookie settings.

Cookie settingsCookie policy

Coinkite Coldcard review

Updated September 28, 2026 · HodlCue Editorial Team · Facts checked September 26, 2026

We earn a commission when you sign up through links on this site. Partner status can affect where a brand appears in our rankings. Partners with a live offer in your country come first, then every other brand by score.

Our verdict

Coinkite Coldcard is a hardware wallet for readers who want their own keys and inspectable firmware, sold at a device price of $219 to $319. It suits a focused, self-custody setup rather than a long asset list, and buyers willing to pay for hardware up front.

Key facts

Best for
Open source, self-custody hardware for a narrow set of assets.
Wallet type
Hardware↗
Price
$219 to $319↗
Custody
Self custody↗
Coins supported
1↗
Secure element
dual secure elements: Microchip ATECC608 and Maxim DS28C36B↗
Open source
Yes↗
Connectivity
USB-c, NFC↗
Backup options
Seed↗
Legal entity
Coinkite Inc.↗
Headquarters
Canada↗
Founded
2012↗
Support channels
Email, Help-centre, Community↗
Features
Self-custody
Official website
coinkite.com

Facts checked September 26, 2026, 6 sources

Apps and profiles

Elsewhere
LinkedInXXgithub.com

Pros and cons

Pros

  • Custody is self custody, so the holder keeps control rather than a provider.
  • Open source is listed, so the code behind the device can be reviewed by others.
  • Dual secure elements, dual secure elements: Microchip ATECC608 and Maxim DS28C36B, add a second layer around signing.
  • Connectivity covers usb c and nfc, so signing can run from a phone or a laptop.

Cons

  • A device price of $219 to $319 makes it one of the costliest options in its group.
  • Coin support of 1 rules out readers holding a long asset list.
  • Support runs on email, help centre and community only, with no phone line among them.
Coinkite Coldcard

Ready to try Coinkite Coldcard?

Scored 9.0 / 10 by HodlCue.

See alternatives

Who it suits

  • Holders who want self-custody on open source hardware and hold a narrow set of assets.
  • Security-minded readers who value dual secure elements and a seed backup they control.
  • Buyers comfortable with a single purchase of $219 to $319 rather than an ongoing account.

Who should look elsewhere

  • Readers on a budget, since Trezor is listed at $79.
  • Multi-coin holders, because Bit2Me runs as a mobile wallet instead.
  • Anyone who wants a provider rather than a device: bynex is custodial.

Where it sits among rivals

On coins supported it ranks 96 out of 108 brands compared, and 110 out of 120 on price. That places it near the back of the field on both counts: a narrow coin list and a high device price within the group.

Who runs it

The device is sold by Coinkite Inc., a company based in Canada and founded in 2012. Support runs on email, help centre and community, with email, a help centre and a community, which suits readers who prefer to work through documentation and forums rather than a phone line.

How Coinkite Coldcard compares

Frequently asked questions

What does a Coinkite Coldcard cost?+

The hardware is listed at $219 to $319, a range covering the models sold in the store. It is a one-time purchase rather than a recurring charge, and on price the brand ranks 110 out of 120 in the group compared.

Who holds the keys on a Coldcard?+

You do. Custody is self custody, so the holder keeps control of the keys rather than a provider. That suits readers who want their coins outside any exchange or custodial account.

Is the firmware open source?+

Yes, open source is listed among its features, so the code behind the wallet can be reviewed rather than kept closed. The device also uses dual secure elements, given as dual secure elements: Microchip ATECC608 and Maxim DS28C36B, which add a second layer around signing.

How is the wallet backed up?+

Backup is seed, so a seed phrase written down by the holder is the recovery route. The device connects over usb c and nfc, which means signing can run from a phone as well as a laptop.

Does the Coldcard support many coins?+

Not many. Coins supported is 1, and the brand ranks 96 out of 108 brands compared on that measure. It suits a narrow holding rather than a long altcoin list.

What support can I get?+

Support runs on email, help centre and community, giving you email, a help centre and a community. There is no phone line in that list, which suits readers who are comfortable working through documentation and forums.

Who is the Coldcard for?+

It is aimed at readers who want self-custody on open source hardware and hold a narrow set of assets. If you want a multi-coin mobile wallet, Bit2Me runs as a mobile wallet; if you prefer to hand over custody, bynex is custodial.

How does the price sit against Trezor?+

Trezor is listed at $79, below the Coldcard price of $219 to $319. Both are hardware wallets, so what you weigh is the secure element setup, whether the code is open to review, and how narrow the coin list is.

Sources

  • coinkite.com checked September 26, 2026

    Backs: Custody, Features, Founded

    “It makes tools for self-custody: COLDCARD signing devices, OPENDIME physical Bitcoin bearer devices”

  • coinkite.com/terms-of-use checked September 26, 2026

    Backs: Headquarters, Legal entity

    “Coinkite Inc., 3219 Yonge St., Unit 376, Toronto, ON M4N 3S1 CANADA”

  • coldcard.com checked September 26, 2026

    Backs: Backup options, Connectivity, Open source, Secure element, Wallet type

    “Write the seed clearly. Add metal or encrypted MicroSD backup. Test recovery before the stack.”

  • coldcard.com/faq checked September 26, 2026

    Backs: Coins supported

    “Bitcoin and Bitcoin Testnet are supported. COLDCARD does not support altcoins.”

  • store.coinkite.com/store checked September 26, 2026

    Backs: Price

    “Shop Q $369 $319 USD; Shop Mk5 $269 $219 USD”

  • linkedin.com/company/coinkite checked September 26, 2026

    Backs: Support channels

    “It's best to reach out via support@coinkite.com or Twitter.”

Compiled from 6 source pages, checked September 26, 2026. We did not open an account.

Coinkite Coldcard

Coinkite Coldcard

Open source, self-custody hardware for a narrow set of assets.

9.0/10See alternatives