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Understanding the RNG: Fairness at online sweepstakes casinos

Jerard V. • Last updated on 5 November 2024

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All of the online sweepstakes casinos have many games of chance, compelling players to try their luck and potentially win sizable jackpots. Have you ever wondered how they work? Are the outcomes random, or do casinos rig their online casino games to favor the house edge? Can you count on fair play when enjoying your favorite sweepstakes slots games, roulette, and card games?

Enter the RNG or Random Number Generator. They are critical to determining the unpredictable outcomes of casino games. Learn how they work, how they benefit, how they’re tested for certification and regulatory compliance, and the most common myths surrounding them.

What is an RNG?

An RNG is hardware or software that generates random number sequences to determine outcomes. Whether spinning the slot or roulette wheel, shuffling or dealing the cards, or rolling the dice, it produces unpredictable results and ensures statistical independence and uniformity.

That means no number or symbol depends on a previous sequence. Each has the same likelihood of appearing and doesn’t impact subsequent games. Here’s why that matters.

The importance of RNGs

RNGs are critical to ensuring fairness and trusting the integrity of online casino games. A fair gaming experience is created by generating random numbers and symbols with uniform distribution and statistical independence.

Every player has an equal chance of winning. You don’t have to worry about a casino rigging the outcome to favor the house. You can have confidence in the integrity of the game because unpredictability is a critical feature of the RNG. Here’s how RNGs provide this.

How RNGs work

Hardware RNGs generate random numbers or symbols through the use of physical processes such as atmospheric pressure, thermal noise, or radioactive decay. We call these RNGs TRNGs (True Random Number Generators) because these factors are unpredictable. They are expensive, however, and only a few casinos use them.

The majority of online casinos make use of PRNGs (Pseudo-Random Number Generators). These are software RNGs that rely on mathematical algorithms to generate random numbers, each of which corresponds to a specific outcome (e.g., cards in a deck of cards or a combination of symbols in slot machines). These algorithms typically require a seed (an initial value, such as user input or time) as a starting point. This seed ensures unpredictability.

Don’t worry about the seed and the “pseudo”-parts, though. Legitimate casinos use certified third-party RNGs with dynamic seeding. This means that the providers of the RNG software are constantly changing the parameters to ensure that no one can predict the outcome of the game. Most importantly, RNGs are periodically tested for randomness, integrity and fairness.

Testing and certification

Testing and certifying RNGs is critical to ensuring that the RNGs are random and unbiased. That’s where independent labs come in. eCOGRA (eCommerce Online Gaming Regulation and Assurance), Technical Systems Testing (TST), iTechLabs, Gaming Associates, Gaming Labs International (GLI), and QUINEL are among the most prominent in the online casino industry.

Here’s how third-party labs test and certify RNGs:

  • Assessing algorithms and implementation – Regulatory bodies look at the source code and the entropy to check for bias and vulnerabilities to verify the integrity. They also evaluate the design and how a particular casino has implemented an RNG to be in compliance with industry standards and regulatory requirements.
  • Performing statistical tests – Sequence, frequency, spectral, diehard, and other tests are helpful in the detection of potential anomalies or patterns. Their absence is indicative of true randomness.
  • Running simulations –In order to determine whether an RNG will produce fair, unbiased results, it is important to examine how it performs in different games under different conditions.
  • Testing in a real-world environment –Once an RNG passes all of the tests and shows favorable simulated performance, it’s ready to get tested in the real world and then implemented.

The best thing about online casino RNGs (including sweepstakes platforms) is that independent labs audit regularly. They don’t just give the green light and forget about certified RNGs. They review them for potential anomalies or modifications to prevent dishonest practices. This ensures that casinos don’t compromise randomness, fairness, and integrity.

Common myths and misconceptions

Many casino players don’t understand how the RNG works. As a result, they make poor decisions like chasing losses because they think they can predict game results. It’s time to dispel the myths about RNGs, don’t you think? Here are the most common ones:

  • Online casinos can rig RNGs – The whole point of RNGs is to prevent casino game fixing. Certified RNGs are fair and unbiased, providing absolute game integrity. Nobody can rig the results. Legitimate casinos don’t want to have an impact on the results, because they would lose their RNG certification and their reputation.
  • RNGs have hot and cold cycles –This misconception is typically associated with slot machines and may have its roots in Hollywood movies. Have you seen those scenes where someone plays for hours without a payout, and a keen observer waits for the opportunity to sit at the same slot machine in the belief that a jackpot is imminent? Because RNGs rely on uniformity and independence to generate number or symbol sequences, reality is different.
  • RNGs are predictable – No one can predict game outcomes. It’s right there in the name; RNGs are random. Knowing the seed in PRNGs would theoretically enable you to predict the results, but dynamic seeding and encryption make it impossible.

Instead of wasting your time trying to predict the outcome of a game or worrying about the possibility that the casino of your choice is rigging the games, you should instead focus on a strategy. Play responsibly, and don’t let the myths get in the way of enjoying yourself.

FAQs about RNGs

Many jurisdictions require online sweepstakes casinos to meet specific regulatory requirements. Independent testing and regular audits are some of them. Others may include displaying a third-party RNG certificate on the website for transparency and conducting peer reviews regarding algorithm design and implementation.

Third-party labs regularly test RNGs for fairness and randomness, conducting statistical tests and checking RNGs in simulated and real-world environments. They assess entropy sources, the source code, algorithm design, RNG implementation, and other parameters to ensure every outcome is independent and follows uniformity.

Reliable casinos display RNG information on their website, including the certificate status and the independent lab that provided it. While at it, check for a valid casino license, ensuring it comes from a reputable body like the Malta Gaming Authority (MGA) or the UK Gambling Commission (UKGC). Authentic user reviews can also speak volumes about your desired casino.

Conclusion

All of the online sweepstakes casinos use certified RNGs to ensure fairness, unpredictable outcomes, and game integrity. They create an equitable gaming environment, helping players enjoy their favorite casino games knowing they’re unbiased and can drop a jackpot anytime. They enable you to focus on gameplay and gamble responsibly.

Sources

Jerard Villena Author Profile Picture

Author: Jerard V.

Content Writer

Meet Jerard, an experienced content creator and all-around technician. One review at a time, he's here to help you navigate the maze of sweepstakes casino gambling. Always at the forefront of Jerard's efforts is his dedication to producing quality content that's useful to his readers. As a lifelong gamer, he has the ability to quickly discern which games in a casino's library are good or bad, and ultimately give you the best recommendations. Outside of work, Jerard loves to travel around his home country, the Philippines. It's a country of thousands of islands with a very rich culture where there's always something new to learn or explore.

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