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5 types of fraud that have changed the casino industry

At any time, there were dishonest players who wanted to win games using illegal means. Of course, now high-tech slot machines are very difficult to fool. But before, there was more room for maneuver for wise casino visitors, they would use any kind of fraud on slots.


Of course, the owners responded by taking measures to modify the devices to stop cheating. Having survived some transformations, slot machines have acquired a look that we are now well aware of.


  • Coin on a thread

In the 1988 book Slot Machine Mania, the authors talk about how a video poker machine jammed. When the technicians repaired it, they found a coin with a small hole through which a nylon thread passed.

A simple trick - a man lowers a coin into the slot, holding the thread. After the coin has worked, the counting mechanism and credits have been registered, the fraudster pulls the coin back and uses it again.

This method, we can assume, has already outlived itself, since there are practically no outdated slot machines with coin acceptors in the casino.

In the 1980s, equipment manufacturer Nevada sold a line of washers that, by coincidence, were the same size and weight as American coins. Cheating machine cheats took full advantage, and these non-coins were found in machines across the state.


  • Suitable diameter

Often people threw coins of other countries into the slots, which fit the size of the desired denomination. One peso Mexican coins issued in 1985 were identical to the American Quarters (25 cents). Some slot machines have successfully received them. This applies not only to the Mexican currency. We used money from different countries that passed into the slot of the car.

In modern slots that do not accept coins, the equivalent deception method is fake paper money. Casino owners are too well aware of the fraudulent potential and are constantly working with manufacturers of account validators who scan money to verify authenticity.


  • A magnetic field

Modern machines were protected from the external influence of the magnet, but the 1960-70s were vulnerable.

On some machines, a strong magnet attached to the outside caused the drums to spin, rather than stop where it was intended. When the reels reached the winning combination, the scammers removed the magnet and demanded the payouts indicated by the reel symbols.

Today, slot machines are controlled by a random number generator, so this type of fraud has sunk into oblivion.


  • Woman inside a slot machine

In Nevada, a fraud woman was arrested in 1990 after trying to trick a Big Bertha slot machine. This is a tall, wide machine of huge size, which is now used more as a museum exhibit to attract attention in large casinos.

The guards noticed a crowd of onlookers who gathered near this slot machine. The car door was partially open, and the woman climbed into the car. After she manipulated the reels and made a winning combination, the woman returned and closed the slot door.

Passersby laughed, but the guards caught the fraudster and called the police.


  • Fraud engineer

The Nevada Game Control Commission used Ronald Dale Harris as an engineer. He worked on monitoring and auditing systems for electronic gaming devices.

Thanks to his work, he knew some source codes of machines and used this to his advantage. Harris was arrested in New Jersey in 1995 for using inside information in a basic gaming machine program that allowed him to win $ 100,000 in a keno video game.


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