One of the most frequently asked questions by new players in online casinos is: “Are these games fair?” It’s a valid concern—after all, players can’t physically see the cards being shuffled or the roulette wheel spinning. That’s where Random Number Generators (RNGs) come into play. These systems are the backbone of fairness in digital gambling, ensuring that every spin, roll, or card dealt is unpredictable and unbiased. Much like platforms such as Bongdalu which use advanced algorithms and live data for sports betting accuracy, online casinos rely on RNG technology to maintain trust and integrity.
What Is a Random Number Generator?
An RNG is a software algorithm that generates sequences of numbers that correspond to game outcomes. These numbers are generated continuously—even when no one is playing—and are selected the moment a player takes an action, like clicking “spin” on a slot machine or “deal” in a poker game.
Each number in the sequence is random and cannot be predicted. The system ensures that every spin or card draw is independent of previous ones, mimicking the randomness found in physical games.
Types of RNGs Used in Casinos
There are two primary types of RNGs:
- True Random Number Generators (TRNGs): These use unpredictable physical processes (like radioactive decay) to generate randomness. These are rare in commercial use due to cost and complexity.
- Pseudo-Random Number Generators (PRNGs): Most online casinos use PRNGs, which rely on algorithms and seed values. Though they are not truly random in the mathematical sense, they are sufficiently unpredictable and meet fairness standards when implemented correctly.
How RNGs Are Tested and Certified
Reputable online casinos have their RNG systems tested and certified by independent third-party organizations like:
- eCOGRA
- iTech Labs
- GLI (Gaming Laboratories International)
These auditors run statistical tests on game outcomes to ensure fairness and randomness. They also check for vulnerabilities and tampering. Casinos that pass these tests usually display the certifier’s seal on their website—a sign of trustworthiness.
RNGs in Different Games
- Slots: RNGs determine where each reel stops.
- Roulette: RNGs simulate the spin and result.
- Card Games: RNGs decide the card dealt from a virtual deck.
Because each outcome is generated in real time, the results are not affected by hot or cold streaks, and there is no memory of past plays—everything is randomized.
Why RNGs Matter to Players
Understanding RNGs empowers players to gamble with greater confidence. You can rest assured that the game isn’t rigged against you beyond the built-in house edge. Still, remember that randomness doesn’t mean “even wins” in the short term. It means unpredictability—so streaks, both good and bad, are entirely possible.
Final Thoughts
RNGs are essential to maintaining fairness and transparency in online gambling. While you can’t see them working, their influence is critical to your gaming experience. As long as you stick to licensed casinos with certified software, you’re playing a fair game.