Current COLDCARD Q and Mk-series devices use two Secure Elements from different vendors. The design avoids making seed protection depend on one chip family and one vendor's failure modes.
Coinkite
@Coinkite
Coinkite®: @OPENDIME, 1st & only #Bitcoin bearer instrument. @COLDCARDwallet ultra-secure open hardware wallet @theBLOCKCLOCK @TAPSIGNER est. block 141,000
