Following a major firmware exploit affecting Coldcard hardware wallets that led to nearly $130 million in stolen Bitcoin, over 233,000 BTC moved to safety as users migrated funds.
July 2026 saw $247.4 million in crypto stolen, second only to April's $644 million, largely due to the Coldcard exploit which stole at least $100 million from 7,300 Bitcoin wallets.
Approximately $4.55 million in Bitcoin and Ether linked to the Coldcard exploit have been transferred to cryptocurrency mixing protocols, according to blockchain security platform CertiK.
Hardware wallet manufacturers Trezor and Foundation warn of surging phishing attempts exploiting the Coldcard firmware vulnerability, as scammers target recovery phrases and push malicious downloads following significant crypto thefts.
Ledger CTO Charles Guillemet warns the crypto industry following a Coldcard exploit involving $130 million in losses, highlighting risks in randomness generation and AI-driven cyberattacks.
Binance founder Changpeng "CZ" Zhao warned crypto owners about hardware wallet vulnerabilities after a Coldcard exploit drained over $70 million in Bitcoin. A flaw in firmware shipped in March 2021 allowed private keys to be guessed, affecting 1,196 addresses, prompting Coinkite to issue hotfixes.
