A Toronto-based company that made Coldcard, a bitcoin-only hardware wallet that has been the latest target of a data breach, has reportedly lost $100 million US worth of bitcoin as a result of the hack.

Galaxy Research flagged a third wave of sweeps tied to weak Coldcard-generated keys, with the attacker now targeting smaller balances and changing how funds are collected onchain.

Galaxy Research confirms 1,367 BTC worth $88.6M was drained from Coldcard Mk3 wallets via a firmware RNG flaw across three coordinated attack

Hackers exploited a software flaw in Coldcard Bitcoin wallets, causing significant financial losses. This vulnerability affected the security keys used to protect user…

Hackers exploit a flaw in Coldcard wallets, draining $86 million in Bitcoin from over 4,500 accounts in an ongoing attack.