Only if he has signing keys on a mobile computer he takes on travel ... Which isn't a good idea to begin with. (And yes, one could argue that a disk in an offi

Only if he has signing keys on a mobile computer he takes on travel ... Which isn't a good idea to begin with. (And yes, one could argue that a disk in an office or server could be stolen as well, whereas a laptop is in sight and loss is noted immediately, but I won't agree)