Public key, private key, etc... Yeah, next to Facebook, Dropbox, GDrive, etc, it won't be easy to convince grandma, "Jenny the hairdresser" and "Joe Sixpack" to

Public key, private key, etc... Yeah, next to Facebook, Dropbox, GDrive, etc, it won't be easy to convince grandma, "Jenny the hairdresser" and "Joe Sixpack" to use this thing.