Topic Archive

#Coldcard

3 Stories Found

Coins•Nov 9, 2026

Luke Dashjr Disputes Claim That Only AI Could Find Coldcard Flaws

Key Highlights Prominent Bitcoin developer Luke Dashjr published a critical review of Coinkite Coldcard’s random-number generation (RNG) codebase, refuting claims that only advanced artificial intelligence could uncover the security flaws. Coinkite suffered massive seed-generation vulnerabilities rooted in a March 2021 firmware change, resulting in wallet compromises totaling an estimated $140 million or more. Coinkite, along ...

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Coins•Oct 1, 2026

Peter Todd Leads MARA’s Slipstream as Private Mempools Gain Traction

Key Highlights: Peter Todd has become the lead maintainer of Slipstream, a MARA-backed private transaction relay service. Slipstream was used to help move more than 9000 BTC from Coldcard-affected multisignature wallets while keeping recovery transactions out of the public mempool. The service has also supported experimental Bitcoin transactions, including StarkWare’s first quantum-safe transaction to reach ...

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Coins•Sep 22, 2026

Whitehats Transfer 52 Bitcoin from Coldcard Hack to Recovery Trust

Key Highlights Ethical hackers transferred 52.37 BTC to a newly formed recovery trust address as part of remediation efforts from the July Coldcard hardware wallet exploit. The multi-wave attack, beginning July 30, exploited a firmware vulnerability that forced wallets to use a weaker software-based random number generator, exposing over $100 million in bitcoin. Coinkite has ...

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