Coinkite Flags Security Risk For Coldcard Bitcoin WalletsCoinkite, the company behind Coldcard Bitcoin hardware wallets, has issued a security advisory for Mk3 devices.The issue affects seeds generated on Coldcard Mk3 devices running firmware versions 4.0.1 through 5.0.3 released between 2021 and 2023. Users with single signature wallets are urged to move funds immediately.Earlier, blockchain researchers reported about 594.5 $BTC drained from about 500 addresses.Coinkite has not confirmed a connection betwe ...