I'm not entirely sure what he means by that, but SIM-cards are smartcards. https://en.wikipedia.org/wiki/Subscriber_identity_module#/media/File:GSM_SIM_card_ev

I'm not entirely sure what he means by that, but SIM-cards are smartcards. https://en.wikipedia.org/wiki/Subscriber_identity_module#/media/File:GSM_SIM_card_evolution.svg https://en.wikipedia.org/wiki/Subscriber_identity_module#/me... And you can buy smartcards in this formfactor e.g. https://www.cardomatic.de/epages/64510967.sf/en_GB/?ObjectPath=/Shops/64510967/Categories/SmartCardHSM https://www.cardomatic.de/epages/64510967.sf/en_GB/?ObjectPa...