
Massive attack drains nearly 600 $BTC from ~500 Bitcoin wallets.
An attacker exploited a Coldcard Mk3 seed generation flaw to steal 594 $BTC (~$38M) in a 25-minute attack.
The bug made some Mk3 recovery phrases predictable due to weak entropy.
#Strategy Bitcoin losses widen
#MicroStrategy reports Bitcoin loss
#Strategy BTC treasury underwater
#USDC overtakes USDT in growth

