EDIT: Yep, Estonia gives every citizen an ID card that can in theory do S/MIME as well, though I haven't just seen any good implementations of that: https://eid.eesti.ee/index.php/EID_funktsioonide_l%C3%BChitu...
EDIT: Yep, Estonia gives every citizen an ID card that can in theory do S/MIME as well, though I haven't just seen any good implementations of that: https://eid.eesti.ee/index.php/EID_funktsioonide_l%C3%BChitu...