Of all the casino games to try and cheat with, roulette is probably the worst. For a start, the game relies on luck, meaning that there's nothing a player can do within the gameplay to influence the results. That means the only method is mechanical. In other words, finding a means to interfere with the roulette ball or the spinning wheel itself. In turn, this means introducing some sort of device into the casino. With today's security, that's going to be difficult to pull off without detection.
There's no doubt that the use of colourful casino chips is a clever marketing strategy from land-based casinos. The main factor in their use is that the gambler no longer sees them as money. To that end, they are much more likely to spend more than if they were handling real cash. So, in some ways, it's just another psychological trick that all casinos play on their customers. Nevertheless, there are some interesting facts about casino chips which many players are blissfully unaware of.