Coldcard Mk3
Coverage of Coldcard Mk3 in the Nexus archive.
- Coinkite Releases Fixed Firmware After Coldcard Bug; AI Likely Involved In The Breach
Coinkite released fixed firmware for Coldcard hardware wallets after a critical bug compromised private key generation, potentially stealing over 1,000 bitcoins. The vulnerability, likely involving AI in the breach, affected Coldcard MK3 devices with specific firmware versions. Users who did not use dice rolls or BIP 39 passphrases are at risk, and Coinkite advises firmware updates and wallet migrations to secure funds.
- Coldcard Wallet Flaw Exposes Years of Bitcoin Seeds After $70M in BTC Stolen
A firmware bug in Coldcard Wallet's Mk3 model caused weak entropy in seed generation, leading to predictable private keys and the theft of over $70 million in Bitcoin. Coinkite advised users of affected models (Mk3, Mk4, Mk5, Q) to move funds after hackers exploited the vulnerability to drain multiple addresses.
- ‘Funds may be at risk’: Coinkite issues warning for Coldcard Mk3 users amid 594 BTC theft reports
Coinkite has warned Coldcard Mk3 users that funds may be at risk following reports of 594 BTC thefts. The company advises users to create a strong, unique BIP-39 passphrase on the device and transfer funds to the resulting wallet.
- Coldcard issues Mk3 warning as experts examine $38M Bitcoin wallet drain
Coinkite advised Coldcard Mk3 users to transfer funds due to a potential seed-generation risk. Experts are investigating an unexplained $38 million Bitcoin wallet drain.