A firmware flaw in older Coldcard hardware wallets drained up to $116M in Bitcoin, triggering $620M in spot Bitcoin ETF inflows across IBIT,

Transfers of less than 1 BTC hit levels last seen days after the FTX collapse, while Galaxy Research flagged a likely fourth wave of thefts...

A Coldcard firmware bug reduced seed entropy from 128 to 72 bits, enabling attackers to drain 1,367 BTC worth $89M from over 4,500 wallets.