Security Fix (BIP-143 replay attack)
Jun 12, 2020Read Post
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...
Jun 3, 2020Read Post
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...
May 18, 2020Read Post
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)
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
Firmware update for powerful new feature: "The Address Explorer"
Oct 8, 2019Read Post
The World Needs An Open, Cheap & Ultrasecure Hardware Wallet! Pre-Order Now
Dec 8, 2017Read Post
Announcing: Opendime V3
You might have noticed that the Opendime store is out-of-stock.
Aug 22, 2017Read Post
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 ...
May 20, 2017Read Post