Bitcoin Magazine

Nearly $32 Million in ‘Dormant’ Bitcoin Moves After Coldcard Hack Reaches Estimated $130M

Hackers last week started taking over $35 million in Bitcoin from wallets after discovering a vulnerability in the Coldcard ...
Decrypt

Coldcard Bitcoin Exploit Explained: Entropy, How Keys Are Generated, and Why Bits Matter

A flaw in Coldcard wallets cost Bitcoin holders more than $100 million—and reopened an old fight about whether you can trust ...

At least 15 attackers exploited Coldcard vulnerability: Galaxy

At least 15 different attackers have exploited the Coldcard vulnerability, which may have been avoided with just $2 worth of ...
CoinDesk

Unlike the FTX collapse, the $89 million Coldcard exploit has investors sending bitcoin back to exchanges

Unlike the FTX collapse, the $89 million Coldcard exploit is driving bitcoin back onto exchanges as holders seek temporary ...
Decrypt

Hardware Wallet Firms Warn of Phishing Surge as Coldcard Losses Near $130M

Fake "coordinated hardware audit" emails are steering holders to a cloned Coldcard site that installs remote-access software.

Coldcard wallet attack drains at least $70M in Bitcoin from 1,200 addresses: report

A Coldcard firmware bug may have let attackers steal roughly $70 million in bitcoin in under an hour, and the company says ...
CoinDesk

"You stole, please return some." Coldcard hacker's wallet becomes a graffiti wall of pleas and hustles

The Coldcard hacker's bitcoin wallet has turned into a graffiti wall of pleas, poetry and scams, as victims and opportunists pay to leave permanent messages using Bitcoin's OP_RETURN function.

Hackers reportedly drained more than $100M US worth of bitcoin from Coldcard hard wallets, according to blockchain intelligence firm Galaxy Research.

A Toronto-based company that made Coldcard, a bitcoin-only hardware wallet that has been the latest target of a data breach, ...