Inside The New COLDCARD Mk4 Bitcoin Hardware Wallet
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Take a sneak peek at exclusive details about Coinkite’s upcoming hardware wallet. BitcoinLinux obtained exclusive access to details about the upcoming COLDCARD Mk4, the new version of Canada-based…
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Key Highlights Coinkite released firmware 5.6.1 for Mk4/Mk5 and 1.5.1Q for COLDCARD Q following the seed-generation failure disclosed in July. The update adds user-supplied entropy, stronger transaction checks, and tighter controls around USB data and wallet backups. Users with seeds generated on potentially affected firmware from 2021 through July 2026…
How to use the ColdCard hardware wallet, a popular choice amongst Bitcoiners concerned with security and privacy. This is an opinion editorial by Arman The Parman, a Bitcoin educator passionate about... [[ This is a content summary only. Visit my website for full links, other content, and more! ]] Go…
Fresh cryptographic evidence published on August 4 by Bitcoin developer James O’Beirne has tied the faulty randomness code behind the ongoing Coldcard hardware-wallet exploit directly to Coinkite co-founder and CTO Peter Gray, publicly known on X. The library at the center of the incident, libngu, was published on GitHub under…