Originally Posted by
malpag3
Yes it can.
Simply put, yes there are hubs out there with both track nuts and a hollow axle for QR. The one that comes to mind is Milwaukee 4 Star Hubs from Ben's Cycle.
That said, these are probably a re-brand of a stock hub from somewhere else.
I don't think those are deigned for QR. They just happen to be hollow. QR axles don't extend beyond the dropouts.