Cryptography

3 posts

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Coldcard Wallets Built Guessable Keys and Lost 70 Million Dollars in 41 Minutes

August 2, 2026

An attacker emptied 1,196 Bitcoin wallets in 41 minutes and took 70 million dollars. The owners did nothing wrong. Their hardware wallet had been quietly …

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AI Finds 12 OpenSSL Vulnerabilities Including a 27-Year-Old Bug

January 29, 2026

An AI just found 12 zero-day vulnerabilities in OpenSSL. All 12. In a single release. One of those bugs is older than OpenSSL itself, sitting in the code since …

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libsodium Gets First CVE After 13 Years: The Two-Line Fix

December 31, 2025

The crypto library behind Discord, WordPress, and Zcash just got its first CVE. After 13 years. 😏 libsodium. You’ve probably never heard of it. But …