Random Number Generator: How to Ensure Fairness When You Play at Online Casinos

When you play online casino games, you receive a lot of things that appear chosen. You receive a card in blackjack – who chose it? The roulette wheel stopped on a certain number – why that number? The slot machine showed certain symbols – who chose those symbols? The technology behind online casinos is called a Random Number Generator or RNG.

The concept behind an RNG for casino games if fairly simple. For any game, every aspect of the game is assigned a number value. The RNG then produces a completely random number, calculates it to match the appropriate values for the game being played, and the game will then display a card or symbol respectively. For example, in a game of blackjack, a regular deck of playing cards has 52 cards. A number value between 1 and 52 is assigned for each of the 52 cards, the RNG chooses random numbers, and that is how random cards come out of the deck with every draw.

The question is, how does the RNG generate really random numbers? Can you guess what number’s going to come out? How is it random? The answer to these questions is simple and complicated. Realistically, you can not figure out what number is going to be generated. However, on the other hand, the numbers are never really random. The simplest form of a random number generator is one that takes the time of day and sends it through a crazy algorithm of calculations to generate a number. It may seem simple to reverse the calculation based on the time of day and figure out the algorithm. However, here’s the trick. The “time of day” used is typically calculated to the thousandth of a second. Since you have no way of knowing at which specific thousandth of a second the RNG took the time, the numbers will always appear random. More specifically, the algorithm typically only takes certain digits from the time. Since the digits repeat multiple times per second, is it virtually impossible to know what number the RNG is going to come up with.

Since the numbers are always unpredictable, and the cards and symbols are all based on these numbers, the cards and symbols are completely unpredictable. This way the game is fair for everyone. No one can have an unfair advantage.

The RNG system is pretty unbeatable. Can you figure out a way to get around it? Do you see a flaw in the system? What would you trust more – are real deck of cards or a Random Number Generator?

Colin Jones

Colin Jones is a born and raised Chicago writer specialized on topics related to the casino and gambling industry. Having years of experience on the field, Colin will keep you in touch with the latest news and advances on the casino industry.

  • Redneckyoyo

    why

  • Redneckyoyo

    eat my fiddlestick margarine hoho butter!!!!

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