| Posted by: gamblinboi at January 7, 2003, 1:43 pm | | Topic: Cryptologic Software - Fair? Forum: Winner Online |
wow it's amazing the lack of technical knowledge about RNG and PRNG and the myths that persist out in the lay world.
RNG stands for Random Number Generator. Picture it as a black box (either a hardware black box or just a "magical software black box") and it's only output is a stream of numbers that is random. By random, i mean it's impossible to guess the next one out even if you've tracked millions of numbers that came out before it. For a casino, a random number generator is typically a hardware device. For example, a hardware RNG could be a device that detects the decay of a radioactive isotope (due to quantum mechanics, it's impossible to predict when the decay will occur, and hence is completely random).
Now, as for PRNG - pseudo-random nubmer generators. Contrary to what was posted above, pretty much every modern operating system (Linux, FreeBSD, Windows, etc.) has a random number generator built into it, based on software. The generator is a bunch of algorithms that take a pseudo random seed (eg, the current time, mouse movements, keyboard movements, etc.) and from that seed generate a random number. This isn't just useful for online casinos, but for other things in your computer as well (eg, network access ia a network card for collision avoidance and a host of other uses).
What does it mean to rig a Random Number Generator? Well, it means that hte numbers aren't so random. EG, instead of having a normal distribution of say odd numbers to even numbers, more odd numbers could be generated (you could see how this might be more beneficial to the roullette player than the casino! :> ) or perhaps more lower numbers could come out s higher numbers (more beneficial to the casino in say a game of blackjack). There are many other ways to "rig" the RNG, but imo this is much more complicated than other methods that could be used to cheat a player. For instance, CASINOBAR cheats. Their random number generator is probably a standard RNG or PRNG, but their software was developed to give the dealer a better chance of not busting - hence ignoring the RNG's output and trying again.
I hope this sheds some light on the topic....
** disclaimer: errors and omissions expected. bonuses must be wagered 200x before cashing out a alue less than 10x your inital deposit.
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