18 stories about Coldcard from across the crypto press, curated and summarized daily. Most recent: Sep 8, 2026.
AI tools are increasingly finding bugs in Bitcoin’s layer-2 infrastructure, including Coldcard, Lightning, and Liquid. This shift highlights how AI is changing the economics of security research in crypto. Recent incidents underscore the need for heightened vigilance as these technologies evolve.
The hacker responsible for the Coldcard thefts has moved $7.7 million in Bitcoin, representing 45% of the stolen funds from the third wave of attacks. This latest movement highlights the ongoing risk for victims of the breach.
Coinkite has released a new firmware for its Coldcard hardware wallets, requiring users to add their own randomness when generating wallet seeds. This update follows a $130 million Bitcoin exploit and a three-week security review.
Casa CEO Nick Neuman reports 233,000 BTC were moved to safer storage after a Coldcard exploit, with data showing single-key Ledger and Trezor users shifting to multisig and multisig users removing Coldcard devices. This proves the resilience of self-custody solutions.
A hack on the Coldcard Bitcoin hardware wallet has resulted in over $111 million in stolen Bitcoin. The median loss per victim is 1 BTC, with the total theft likely exceeding $130 million. The hack was discovered in early August 2026, and the full extent of the damage is still being assessed.
A recent hack on the Coldcard hardware wallet revealed a five-year-old firmware vulnerability. The incident has spurred the crypto industry to adopt more robust security measures, particularly around collaborative multisig setups. Cory Klippsten, a prominent Bitcoin advocate, is leading the charge for improved security standards.
A major security breach has hit Coldcard, a popular Bitcoin hardware wallet, with over $100 million in Bitcoin stolen. The hack is ongoing, and users are advised to take immediate precautions to secure their funds.
A security initiative found 85 critical vulnerabilities across 390 Bitcoin-related open-source projects. The effort was spurred by a Coldcard exploit that led to $100 million in losses. The team used AI to scan for flaws, filing 4,962 total findings. This highlights the ongoing need for rigorous security in Bitcoin infrastructure.
Bitcoin saw 890,000 BTC moved in the past week, the highest activity of 2026, amid a security breach involving Coldcard wallets. Analysts at K33 suggest this could signal a potential market bottom.
A security flaw in Coldcard hardware wallets allowed hackers to steal $116 million in Bitcoin. The exploit affects older models and has prompted urgent warnings from security experts.
Bitcoin security expert Jameson Lopp warns that AI is making it easier for attackers to find wallet vulnerabilities. The recent Coldcard exploit shows even the most secure wallets can be compromised.
A possible fourth sweep of Coldcard wallets may push losses to $114 million. Users have minutes to act if they see their address in the mempool.
A security flaw in Coldcard hardware wallets has smaller Bitcoin holders moving funds back to exchanges for safety. This reverses the trend seen after the FTX collapse in 2022, where investors withdrew from exchanges. The exploit resulted in a loss of $89 million, according to blockchain analytics firms.
A sophisticated attack on Bitcoin cold wallets has now affected 4,500 addresses, with total losses nearing $89 million. The attacker is exploiting weak keys generated by Coldcard wallets and has shifted tactics to target smaller balances and alter how funds are collected on-chain.
Coinkite has issued a security warning for Coldcard Mk3 users, advising them to create a strong BIP-39 passphrase and move funds to a new wallet. The warning follows reports of 594 BTC stolen from affected users.
Nearly 1,200 Bitcoin addresses were drained of over 1,000 BTC, worth approximately $70 million, due to a vulnerability in Coldcard hardware wallets. Galaxy Research reports this as one of the largest Bitcoin thefts linked to a hardware flaw.
A software bug in the Coldcard hardware wallet has led to the theft of nearly 600 Bitcoin, worth around $38 million. This incident is causing some investors to question the safety of managing their own private keys and consider alternatives like Bitcoin ETFs.
Coinkite has released the Coldcard MK5, building on the MK4's dual secure element security with a larger Gorilla Glass screen, redesigned buttons, and improved NFC capabilities for smoother Bitcoin transactions.