The "key escrow system" contains no keys, because only a chump would give up her or his key before she or he has to give it up. As addressed above, 4A specifies

The "key escrow system" contains no keys, because only a chump would give up her or his key before she or he has to give it up. As addressed above, 4A specifies very particular circumstances for that, circumstances which do not apply to most citizens.