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1,816 BTC worth $116M moved due to Coldcard firmware flaw bypassing security

Market News
12 Nov 2026, 20:58 WIB
Tokenpost
View Source
Bearish
1,816 BTC worth $116M moved due to Coldcard firmware flaw bypassing security

Between July 30 and August 4, about 1,816 Bitcoin valued at $116 million were transferred from over 5,200 addresses due to a vulnerability in Coldcard hardware wallet firmware version 4.0.1 and later. The flaw, discovered by an AI model, bypasses the hardware random-number generator, a key security feature. Although Coldcard has issued a firmware update to fix the issue on new devices, existing seed phrases cannot be repaired, requiring affected users to generate new ones. Some Bitcoin developers have disputed the findings, noting earlier concerns raised privately in 2025.

The Coldcard hardware wallet flaw and related Bitcoin transfers provide context for cryptocurrency market activity. For readers following major cryptocurrencies on Pluang, as of Nov 13, 2026 02:02 WIB, 6 of 50 major cryptocurrencies rose while 43 fell. Notable movers include FIL at Rp13.405 with a -3.97% change and 95% sell order activity, AXS at Rp14.046 with a -3.89% change and 67% buy order activity, and LINK at Rp182.203 with a -3.86% change and 81% sell order activity.

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