Ledger quietly patched a vulnerability in its Ethereum hardware wallet app on August 12 that could have allowed malicious dApps to swap legitimate transactions for harmful ones. The fix came after an AI security firm went public with the issue.
Coinkite released firmware updates 5.6.1 and 1.5.1Q for Coldcard hardware wallets following disclosure of a seed-generation vulnerability that resulted in an $88.6 million Bitcoin theft. Users with affected seed phrases must create new wallets and transfer their Bitcoin.
A security flaw in Coldcard hardware wallets has led to the theft of over $115 million in Bitcoin, with 1,778.58 BTC swept from 8,680 addresses since July 30. Galaxy Research has been tracking the incident and supporting over 200 victims.
A security exploit in Coldcard's offline cryptocurrency storage devices led to approximately $130 million in losses, triggering a sharp increase in new Bitcoin addresses as users rushed to move funds to secure wallets. New Bitcoin addresses jumped from 260,000 to over 330,000 last week, reversing months of declining trends.
A security flaw in Coldcard's Mk3 hardware wallet, introduced in firmware version 4.0.0 in March 2021, enabled attackers to steal between $38-70 million worth of bitcoin from hundreds of wallets by exploiting predictable key generation. The vulnerability affected wallets that used the device to generate seed phrases, prompting urgent warnings for users to move funds to newly generated wallets.
A security flaw in Coldcard's Mk3 hardware wallet, introduced in firmware version 4.0.0 in March 2021, enabled attackers to steal between $38-70 million worth of bitcoin from hundreds of wallets by exploiting predictable key generation. The vulnerability affected wallets that used the device to generate seed phrases, prompting urgent warnings for users to move funds to newly generated wallets.
