In the real world, machine operators would have to reprogram every machine on the floor. Most of the big casinos are open round the clock. It would be very bad PR if operators were seen walking round the casino changing the odds every time someone hit the jackpot. With the latest wireless technology, it would be possible to reprogram every slot machine without anyone detecting it. But that doesn`t happen. Because of the security risks, all the algorithms are hard-wired so that no-one who cracks the wifi protocols can rig the machines.
Once the odds are set, the casino lives with them. Anything else would either look bad, expose the casinos to loss (you wouldn`t like it if they went out of business) or, in some countries, be a criminal offence. In the USA, the Nevada regulations which are adopted widely, require the RNG to work randomly with the software tested by regulatory authorities. Trying to shade the odds to change the probabilities in favour of the House is not allowed. The
