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The Nexus
DossierENTITY

Coldcard MK4

Coverage of Coldcard MK4 in the Nexus archive.

Earliest in view: May 29 · 21:36 UTCMost recent: Jul 31 · 15:22 UTC
Co-mentioned in this coverage
Coinkiteorganization2Coldcard Qproduct2Coldcard Walletproduct1Bitcoincurrency1Coldcard Mk3product1ColdCard MK5product1Bitcoin Magazineorganization1Coldcard MK5product1Bitcointopic1NFCtopic1
Recent coverage
  • SECURITYJul 31 · 15:22 UTCBITCOIN MAGAZINE
    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.

  • TECHNOLOGYMay 29 · 21:36 UTCBITCOIN MAGAZINE
    Coinkite Launches Coldcard MK5: Major UX Upgrades to Flagship Bitcoin Hardware Wallet

    Coinkite has released the Coldcard MK5, a Bitcoin hardware wallet with major user experience upgrades including a larger screen, redesigned tactile buttons, improved NFC connectivity, and a modernized chassis. The device builds on the security features of its predecessor, the MK4, while integrating technologies from the Coldcard Q.