The Coldcard postmortem from MicroPython’s perspective

50 · Adafruit Industries Blog · Aug. 11, 2026, 1:53 p.m.
micropython privacy Security Software bitcoin micropython Security vulnerabilities hardware wallets
Summary
Damien George discusses a vulnerability in the Coldcard hardware wallet's firmware, developed using MicroPython, highlighting the impact on security and implications for developers working with hardware wallets in the cryptocurrency space.
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