Of course the US could always hire Securency to create plastic bank notes like we have down under, and get a huge scandal and allegations of bribery and corruption for free.
LOL. We had some good times when many states contracted with Diebold (the folks who make ATM machines including the new ones that take straight cash, no enclosing envelope, for deposits - and seem to miscount the money pretty often) to make the electronic voting machines for elections.
Google "Diebold voting scandal" or, if you prefer, "Hack the vote."
It does raise suspicions when the country which was first to place a man on the moon and the only to rover Mars can't seem to count integers well enough to have a cofident voting capacity