On July 31, 2026, Coinkite released Coldcard firmware v5.6.0 as an urgent hotfix for a "limited entropy bug" that produced roughly $90M in user losses. This post presents a technical analysis of what that hotfix actually addresses, what it does not, and additional security findings that users need to know about when deciding how to proceed.
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Read MoreOn March 29, 2024, a malicious backdoor was discovered to have been inserted into the xz data compression library in a software supply chain attack.
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