The 1st Bitcoin Bearer Bond or just call it a "Bitcoin Stick"

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Login Countdown and Nickname

Login Countdown and Nickname
With 3.0.3 release we have two new optional features, Login Countdown and Device Nickname. Read Post

Troublesome Change Outputs

Troublesome Change Outputs
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Coldcard Hardware Details

Coldcard Hardware Details
Today we have posted all the information you need to be able tobuild your own Coldcard from off-the-shelf parts. We are sharingthis information for the benefit of security resear... Read Post

Affiliate Program (Beta)

Affiliate Program (Beta)
We now have an affiliate program for all Coinkite products. It’s pretty simple: we payyou when our products are shipped! Either as store credit, where $100 earned is $150in credit... Read Post

Coldcard Address Explorer

Coldcard Address Explorer
Firmware update for powerful new feature: "The Address Explorer" Read Post

Coldcard™ Mark 3 Announcement

Coldcard™ Mark 3 Announcement
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Possible Information Leak, Co...

Possible Information Leak, Considered Unlikely
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Keep Your Pins Long, and Your...

Keep Your Pins Long, and Your Peace of Mind Intact
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Some Other Wallets.fail

Some Other Wallets.fail
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Coldcard Firmware 1.1.0

Coldcard Firmware 1.1.0
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Coldcard Firmware 1.0.1

Coldcard Firmware 1.0.1
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Announcing: Coldcard™

Announcing: Coldcard™
The World Needs An Open, Cheap & Ultrasecure Hardware Wallet! Pre-Order Now Read Post