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. Nov 6, 2019Read Post

Troublesome Change Outputs

Troublesome Change Outputs
Nov 1, 2019Read Post

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... Oct 25, 2019Read 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... Oct 24, 2019Read Post

Coldcard Address Explorer

Coldcard Address Explorer
Firmware update for powerful new feature: "The Address Explorer" Oct 8, 2019Read Post

Coldcard™ Mark 3 Announcement

Coldcard™ Mark 3 Announcement
Aug 26, 2019Read Post

Possible Information Leak, Co...

Possible Information Leak, Considered Unlikely
Aug 7, 2019Read Post

Keep Your Pins Long, and Your...

Keep Your Pins Long, and Your Peace of Mind Intact
Jan 28, 2019Read Post

Some Other Wallets.fail

Some Other Wallets.fail
Dec 28, 2018Read Post

Coldcard Firmware 1.1.0

Coldcard Firmware 1.1.0
Nov 26, 2018Read Post

Coldcard Firmware 1.0.1

Coldcard Firmware 1.0.1
Sep 5, 2018Read Post

Announcing: Coldcard™

Announcing: Coldcard™
The World Needs An Open, Cheap & Ultrasecure Hardware Wallet! Pre-Order Now Dec 8, 2017Read Post