Coinkite warns Coldcard Mk3 users amid 594 BTC theft

Coinkite urged Coldcard Mk3 users to move funds after identifying a potential seed-generation risk in firmware versions 4.0.1 through 5.0.3. The warning coincides with an unexplained sweep of 594.48 BTC, worth about $38.3 million, from single-signature addresses, though no definitive link has been established.