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