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Firmware flaw in Coldcard wallets caused $116M Bitcoin loss, users must create new seed phrases.

Market News
12 Nov 2026, 21:11 WIB
Tokenpost
View Source
Bearish
Firmware flaw in Coldcard wallets caused $116M Bitcoin loss, users must create new seed phrases.

A security flaw in Coldcard hardware wallet firmware version 4.1 and later led to losses of about 1,816 Bitcoin, worth around $116 million, affecting over 5,200 addresses between July 30 and August 4. The flaw bypassed the hardware random-number generator, compromising wallet security. The issue was discovered by an AI model after multiple human reviews missed it, though some Bitcoin developers dispute this claim. A firmware update can fix the vulnerability on new devices, but users with affected seed phrases must generate new ones to secure their funds.

The Coldcard hardware wallet security flaw linked to losses of about 1,816 Bitcoin provides context for cryptocurrency market conditions. For readers following major cryptocurrencies on Pluang, here is the market snapshot as of Nov 13, 2026 02:02 WIB: out of 50 major cryptocurrencies, 6 rose and 43 fell. Notable movers include AAVE at Rp2.060.358 with a 1-day change of -7.86%, ZIL at Rp27 down 5.18%, and YFI at Rp33.578.019 down 4.42%.

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