In the digital age, the allure of traditional gambling methods has seamlessly transitioned to online platforms. One such game that has found immense popularity online is scratch cards.
These online scratch offs offer the same thrill as their physical counterparts, with the added convenience of instant play from anywhere. But a question that often arises is: How fair are these online scratch cards? The answer lies in understanding the Random Number Generator (RNG) system.
In this article, we’ll delve deep into the world of RNGs and their role in ensuring the fairness of online scratch cards.
What is a Random Number Generator?

At its core, an RNG is a computational or physical device designed to generate a sequence of numbers or symbols that lack any discernible pattern, essentially making them random. In the context of online gambling and scratch cards, RNGs ensure that the game’s outcome is unpredictable and fair.
Types of RNGs
There are two primary types of RNGs:
- True Random Number Generators (TRNGs): These don’t use any algorithms but generate numbers based on physical processes, like atmospheric noise. They are genuinely random and are often used in situations where the quality of randomness is paramount.
- Pseudorandom Number Generators (PRNGs): These are algorithm-based and use mathematical formulas to produce sequences of random numbers. While not genuinely random, if designed correctly, the sequence of numbers they produce will seem random and unpredictable.
Online scratch cards typically use PRNGs due to their speed and efficiency.
How Do RNGs Work in Online Scratch Cards?

When you play an online scratch card, the outcome is determined by the RNG, not the act of “scratching” the card. The moment you purchase or load the card, the RNG has already decided the result. The animation of scratching away the surface is purely for entertainment and to replicate the traditional experience.
Ensuring Unpredictability
For an online scratch card to be fair, players must have an equal chance of getting any particular outcome. The RNG ensures this by producing a sequence of numbers that are not predictable or repeatable. This means that every card you scratch, even if it’s the same game type, has a unique outcome.
The Importance of Third-Party Testing
To ensure that RNGs in online scratch offs are genuinely random and not skewed in favor of the casino, third-party organizations test and certify them. These organizations evaluate the RNG’s algorithms, ensuring they produce unpredictable and non-repetitive results.
Common Third-Party Testing Organizations
- eCOGRA (eCommerce Online Gaming Regulation and Assurance): An internationally recognized testing agency based in London, eCOGRA specializes in certifying online gaming software and systems.
- TST (Technical Systems Testing): A part of Gaming Laboratories International, TST is known for its testing and consulting services for both land-based and online casinos.
- iTech Labs: This Australian-based company specializes in testing and certifying online gaming systems, ensuring they are fair, reliable, and resilient.
When choosing an online scratch card platform, look for certifications from these or other recognized testing agencies. This ensures that the games you play are genuinely random and fair.
Myths and Misconceptions about RNGs

1. “The Outcome Can Be Predicted.”
Given that PRNGs use algorithms, some believe that with enough data, one can predict future outcomes. However, while PRNGs are not genuinely random, predicting the outcomes would require knowledge of the initial seed value and the specific algorithm used, both of which are closely guarded secrets.
2. “If a Game Hasn’t Paid Out in a While, It’s Due for a Big Win.”
Each scratch card’s outcome is independent of previous or future games. Just because a game hasn’t had a significant win for a while doesn’t mean it’s “due” for one.
3. “Casinos Can Rig Games to Avoid Big Payouts.”
Reputable online casinos use RNGs that are regularly tested and certified by third-party agencies. This ensures that the games are fair and that the outcomes are genuinely random.
Benefits of RNGs in Online Scratch Cards
- Fairness: Players can be assured that each game’s outcome is genuinely random, ensuring a level playing field.
- Transparency: With third-party testing and certifications, players can verify that the games they play are fair.
- Variety: RNGs allow for a wide range of game designs, themes, and payout structures, enhancing the player’s experience.
Potential Risks with RNGs in Online Gaming
While Random Number Generators (RNGs) have revolutionized the fairness and unpredictability of online games, including scratch cards, it’s essential to be aware of the potential risks. The integrity of an RNG is based on its design, implementation, and maintenance. In some unfortunate scenarios, software bugs, poor design decisions, or malicious tampering can compromise the randomness of outcomes. If an online casino uses a poorly designed RNG or one that hasn’t been appropriately tested, there’s a potential that patterns could emerge, making game outcomes predictable.
An unscrupulous operator might deliberately manipulate RNG results, compromising the fairness of games. As a player, understanding these risks highlights the importance of choosing reputable platforms and verifying the legitimacy of their RNG implementations, ensuring you’re given a genuinely random and fair chance at winning.
Ensuring Transparency and Fair Play in Online Scratch Cards

The trustworthiness of online scratch cards heavily relies on transparency and fair play. Reputable online gaming platforms invest in systems and protocols that allow players to verify the fairness of each game round. These include provably fair systems, where the algorithms are designed to be verified by the player for their fairness after each game. This means that after each scratch card round, players can check and confirm that the outcome was indeed generated randomly without any manipulation.
Ensuring transparency also involves clear terms and conditions, easy access to game rules, and prompt customer service responses to player inquiries and concerns. In essence, a transparent online scratch card platform assures players that behind the digital facade, there’s a genuine commitment to fairness and that every card played has an unbiased chance of being a winner.
In Conclusion
Online scratch offs have revolutionized the traditional scratch card experience, offering convenience, variety, and instant gratification. The heart of these digital games, the Random Number Generator, ensures that every play is fair and unpredictable. As players, understanding the role and function of RNGs can enhance trust in the games