Key Takeaways Coldcard-linked thefts drained bitcoin from hundreds of wallets on July 30. Coinkite says Mk3 seeds had about 40 bits of entropy instead of 128. Coldcard users must install fixed firmware and create new […]
Key Takeaways The attacker stole roughly $30 million during the first 10 minutes. Investigators identified 500 victim wallets swept within 25 minutes. Vulnerable seeds require replacement, even after installing the hotfix. Attacker Prioritized Coldcard Wallets […]
Key Takeaways Coinkite issued a security advisory for Coldcard Mk3 users on July 30, 2026. Reports show about 594 BTC, near $38 million, left roughly 500 dormant wallets. Coinkite’s advisory covers Mk3 firmware 4.0.1 through […]
Trezor says hardware wallets remain the strongest self-custody option for everyday crypto holders. Danny Sanders argues dedicated iPhones expose users to more attack surfaces than hardware wallets. Roman Storm urges mobile wallets to support BIP39 […]
The message arrives at 03:12 UTC: “Treasury wallet drained?” Your cold palms hover over the keyboard as you watch approvals propagate across BNB Chain mempools. The attacker isn’t exploiting a contract bug. They’re signing transactions […]
Key Takeaways Trezor launched native USDC and USDT yield in Suite v26.5.2 on May 28, 2026, powered by Morpho. Over 2 million Trezor users can now access decentralized finance ( DeFi) yield without connecting a […]
Key Takeaways Foundation raises $6.4M led by Fulgur Ventures, bringing total funding to $16.5M since its 2021 launch. Passport Prime launches at $349, targeting over 1M Cake Wallet users with KeyOS cold storage integration. Foundation […]
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