There are a number of issues that were discussed regarding potential use of VXD cards on casino tables:
Firstly, it was agreed that the back of the casino playing card would certainly stay just as it is now....i.e no transparent holographics and very plain pattern....this ensures cards cannot be distinguished from one another. Hence, there will be no issue raised regarding any unusual reflections etc from the card backs.
So the transparent holographics would only exist on the FRONTS of the cards and in a similar way to how we have used them on this Mk1 edition....i.e only inside the pips.
I had done my own research into auto card shuffler machines and this was also discussed of course....you can find videos on YouTube of exactly how the mechanics work inside....what you find is that the machines push the cards on the outside edges only into and out of slots, therefore the cards are not clamped or abraded on their front or back surfaces in any way....hence there is no concern over friction / abrasion on surfaces. The thickness difference is microns by adding transparent holographics.....it is negligible. Variations in base (black core) paper thicknesses by different playing card manufacturers are much larger than this difference already and the shuffle machines have relatively large tolerances to thickness.
The casino 'eye' (surveillance cameras) was a potential issue discussed....however it was noted that the effect on the playing cards is seen only at specific angles and hence with so many angles available to use for surveillance (there are SO many cameras). Lights can also be slightly adjusted to eliminate any issues for the 'eye'. That and the fact that the transparent holographics are shaped overall in pip shape anyway, so the recorded image is still the same as the original playing card front with inks alone. So no show-stoppers.
Overwhelmingly the Casino Managers or Gaming Directors found the concept 'interesting' (to quote quite a few of them) and they seemed to see the benefits of:
1) The 'gimmick' which created visual appeal and hence would likely bring new / curious players to the tables - hence higher revenues.
2) The ability to promote and advertise casino or casino-affiliated brands & events on the fronts, where the focus of attention is, without changing the classic ink artwork.
3) The additional security provided to the playing cards by the inclusion of transparent holographics - no player will ever be able to substitute a card in like these, as they are so difficult to produce.
A vital step discussed was to get VXD playing cards approved by the Gaming Board / Commission in Nevada, possibly with the backing of one of the big casino corporations. Interestingly though, the poker rooms within all the casinos operate independently to the main casino floors....they use different cards and are not subject to strict regulation....I spoke with about 4 or 5 of these rooms who were very interested and will speak to more on my next trip. They would appear the easier initial entry for VXD cards into casinos, while we try to sort out wider Gaming Commission approval.
Anyway, I've gone on there a bit and probably answered a lot more than your questions, but that's an overview of the practicalities of using VXD cards in (Las Vegas) casinos discussed so far.
People will get a much fuller overview from Shark Tank I'm sure