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From RNGs to Live Dealers: The Technology Behind Modern Online Casino Games

Explore how RNG software and live-dealer technology power modern online casino games, including fairness, streaming, OCR, and real-time gameplay.

Joshua White
3 min read
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From RNGs to Live Dealers: The Technology Behind Modern Online Casino Games

The current boom of the online casino sector depends on technological processes that replaced the age-tested, mechanical ways of administering the games. The area where advanced technology is handling the most sensitive job is determining the outcomes of games of chance, since players expect fair odds and transparent procedures. There are currently two major approaches that were proven effective in practice, each of which comes with distinct advantages and complications.

Let’s explain how games based on the random number generator (RNG) differ from live casino games.

Using RNG To Determine Winners

The main purpose of a random number generator function is to introduce probabilistic input to an otherwise fully deterministic system. In essence, this function simulates randomness by picking a seed that can be translated into an unpredictable number. You can think about it as if the computer was rolling dice and using the results to resolve a game.

Casino games rely heavily on luck, and they make use of RNG to account for that factor. In a game of online roulette, there is no physical wheel that could randomly stop and show the winning number so this process is visually simulated while RNG decides the final position of the ‘wheel’. This mechanism takes weighted odds into account so the probability of each outcome is balanced, but this is not obvious to the players. Overall, RNG games are easier to make and less demanding to play which is why they attract a very broad audience and generate a lot of traffic for the casino site.

Deploying Live Dealers In Real Time

Some players just can’t accept a simulated version of a game they love. Even when they decide to play online, they like to see a real person shuffling the deck and dealing the cards. Online casinos are meeting this demand by offering live games that feature human dealers. The game uses physical objects (i.e. cards or roulette wheel) in a remote studio, with live broadcast via web cam. In effect, players can see what’s happening with their own eyes and the action closely resembles a real casino table.

To make this approach technologically feasible, the operator must deploy multiple cameras equipped with OCR software that enables instant reading of card values. Each table also has a game processing unit that crunches the incoming data in real time and controls the bets on each outcome. This setup is more expensive and more complex, but it delivers a more personal experience. It was designed to replicate a real casino vibe, which is why high rollers and long-time players often gravitate to live casino games like blackjack or Texas Hold’em poker.

Why Most Casinos Use Both Approaches

A majority of high-end casino websites embrace both of the methods described above. Games from each group are usually presented in different game sections, and players can switch between the main collection and the live casino lobby at will. It’s common practice to allow the players to use the same account and wallet for both, ensuring convenience and continued brand loyalty.

You can quickly find the live game lobby from the homepage or the main menu on a gambling site. New users who visit here can try some of the titles, with ongoing games with human dealers waiting for them to join anytime. In case the mechanics of a live casino game seem too complicated, it takes just a few clicks to find the same game in RNG-driven format and play your way. In this case, divergent technology doesn’t force the player to commit to one style and works perfectly on the same platform.

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