> I think the solution to all this, is to abandon the idea of additional hardware, what if your smartphone could act as a two factor hardware token over Bluetoo

> I think the solution to all this, is to abandon the idea of additional hardware, what if your smartphone could act as a two factor hardware token over Bluetooth? I'm glad my hardware security token is not running a full smartphone OS updated only with delay and for a few years until the vendor wants me to buy a new one, does not connect to public wifi and mobile networks, won't run games and other third party software, does not break after falling from waist height.