unclonable group identification and language 2019.09.02 07:12 ⬇⬇⬇⬇⬇⬇⬇⬇⬇⬇⬇⬇ Unclonable group identification and language ⇪⇪⇪⇪⇪⇪⇪⇪⇪⇪⇪⇪