COLDCARD wallet RNG flaw likely linked to $88 million Bitcoin theft

Summary

A vulnerability in the COLDCARD hardware wallet's firmware has been linked to the theft of approximately $88.6 million in Bitcoin. The flaw affected thousands of wallets whose seed phrases were generated using a compromised random number generator.

IFF Assessment

FOE

This event represents a significant loss for cryptocurrency users due to a hardware wallet vulnerability, directly harming defenders and users.

Severity

7.5 High (AI Estimated)

The CVSS score is estimated based on the significant financial impact ($88.6 million), the potential for widespread exploitation affecting thousands of users, and the inherent trust in hardware wallets being compromised. The attack vector would likely involve a supply chain or firmware compromise.

Defender Context

This incident highlights the critical importance of secure random number generation in hardware security modules and the supply chain security of hardware wallets. Defenders should be aware of the potential for hardware-based vulnerabilities to lead to massive financial losses and advise users to consider the security practices of their chosen hardware wallet manufacturers.

Read Full Story →