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Morning Edition · Monday, August 17, 2026Published at 1:44 AM EDT · New York
Coldcard Entropy Defect, a SafePal Data Leak and a macOS Bug Widen the Custody Attack Surface
Rekt now counts roughly $130 million tied to a 2021 firmware change that routed a hardware wallet's randomness through a guessable software fallback, while attackers with root access on exposed Macs installed Monero miners.
The Coldcard case remains the most instructive custody failure of the year. According to Rekt, a firmware commit dated 1 March 2021 replaced a call to the device's hardware random number generator with a software pseudorandom fallback drawn…
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Hardware-Wallet Trust Erodes
Recurring firmware and entropy defects in self-custody hardware, now surfaced faster by AI-assisted code analysis, will keep pushing risk-averse holders toward custodial and ETF products rather than personal key management.
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