BullBitcoin CEO Francis Pouliot urged Coldcard MK3 users without a passphrase to move funds immediately, citing wallet security risk. He said users of other Col

BullBitcoin CEO Francis Pouliot urged Coldcard MK3 users without a passphrase to move funds immediately, citing wallet security risk. He said users of other Coldcard devices without a passphrase should also prepare to create a new wallet soon.