Tag
hardware wallet
9 articles
Coldcard Exploit Drives July Crypto Thefts to $247 Million
Hardware wallet breach accounting for at least $100 million in stolen Bitcoin pushed July to the second-worst month of 2026 for crypto losses.
Coldcard Exploit Drives $115M Bitcoin Theft; July Crypto Losses Hit $247.4M
A hardware wallet breach affecting 7,300 wallets made July the second-worst month for stolen digital assets in 2026, trailing only April's $644 million
Coldcard Releases Firmware 5.6.1 After 1,778 BTC Theft Exposes Entropy Flaw
Coinkite's security update requires user-generated randomness for new seeds and patches critical vulnerability that let attackers reconstruct weak keys from 8,600+ addresses.
Coldcard Exploit Accounts for $100M of July's $247M in Crypto Thefts
A breach of Coldcard hardware wallets hit 7,300 Bitcoin addresses across three attack waves, with other major protocols and bridges also targeted in the month's second-worst security toll of 2026.
Coldcard Exploit Drives July Crypto Thefts to $247.4M
The hardware wallet breach alone accounted for at least $100 million in stolen Bitcoin, impacting 7,300 wallets across confirmed attack waves.
Coldcard Firmware Flaw Drains 1,719 BTC, $111 Million Confirmed Stolen
A firmware bug in Coldcard hardware wallets let attackers drain funds from over 5,200 addresses starting July 30, with total losses now exceeding initial estimates.
Coldcard Firmware Exploit Drains $130 Million in Bitcoin; Coinkite Plans Post-Mortem
Hackers exploited a firmware defect in Coldcard hardware wallets, draining an estimated $130 million in Bitcoin; manufacturer Coinkite cannot verify the total due to its privacy-first design.
Coinkite Disputes $130 Million Loss Estimate From Coldcard Firmware Exploit
Coinkite will publish a technical post-mortem on a Coldcard firmware vulnerability as outside researchers estimate customer losses at $130 million.
Coldcard Warns Users to Move Funds After Firmware Seed Flaw; $38M BTC Theft Unrelated
The hardware wallet maker urged users to migrate funds from devices running specific firmware versions, as researchers separately tracked a 594.48 BTC theft worth $38 million.