Coinkite may face legal action after users lost over $88 million due to a vulnerability in its Coldcard hardware wallet.

Bitcoin security experts said the unexplained $38 million wallet drain may involve flawed seed-generation entropy, though the cause and any Coldcard link remain unconfirmed.

Coinkite recommends that Mk3 users create a strong, unique BIP-39 passphrase on the device and move funds to the resulting wallet.

Over $70 million in Bitcoin has been pinched. Coldcard has since urged its users to take precautions.

Hackers exploited a software flaw in Coldcard Bitcoin wallets, causing significant financial losses. This vulnerability affected the security keys used to protect user…