BIP-143 Vulnerability
A security researcher has reportedan attack leveraging an knownissue with how BIP-143 commits to segwit inputs.If malwareis in a position to tamper with your PSBT data, and it can...
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Laser Fault Injection
Ledger’s Donjon lab has posted anew security report regarding the older Coldcard Mk2 .It’s an amazing report, and very exciting to see theextreme level of resources put...
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Supply Chain Trust Minimized
Just getting a legit Coldcard into your hands is the hard partsometimes—not just with international shipping and customsshenanigans.
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Login Countdown and Nickname
With 3.0.3 release we have two new optional features, Login Countdown and Device Nickname.
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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...
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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...
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Coldcard Address Explorer
Firmware update for powerful new feature: "The Address Explorer"
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Announcing: Coldcard™
The World Needs An Open, Cheap & Ultrasecure Hardware Wallet! Pre-Order Now
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Opendime V2: Cyberpunk Credst...
The OpenDime (OpenDime.com) is one of those projects which really captures the imagination. Like I mentioned in the previous video, there’s something distinctly cyberpunk about ...
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