⚠️ NEW IN: COLDCARD Issues Emergency Warning After Critical Seed Generation Flaw

Coinkite has disclosed a serious vulnerability affecting COLDCARD Mk3 hardware wallets that generated recovery seeds using firmware versions 4.0.1 through 4.1.9.

According to the company, a flaw in the device’s entropy generation significantly reduced the randomness used when creating seed phrases, making certain private keys potentially predictable through brute force.

The disclosure follows reports that attackers drained approximately 594 BTC (around $38 million) from roughly 500 wallets linked to the vulnerable devices.

Users who created their seed on an affected Mk3 are strongly advised to generate a brand-new wallet and transfer all funds immediately. Mk4, Mk5 and COLDCARD Q devices do not appear to be impacted.

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