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Card counting is one of the most famous advantage-play methods in gambling. In fact, a number of Hollywood movies include card counting scenes or are based entirely on this technique.

Skilled counters can gain anywhere from a 0.5% to 1.5% edge over the house, which leads to good profits over time.

Given card counting’s fame, the mainstream population and even many blackjack players themselves think that this is the only way to gain an edge.

But the truth is that you don’t have to count cards to beat blackjack. Instead, you can use one of several other advantage-play techniques to win.

I’m going to discuss how hole carding, shuffle tracking, ace sequencing, and edge sorting can help you beat the game. I’ll also discuss if any of these advantage-play methods are better than card counting.

Hole Carding

Blackjack dealers at North American casinos deal themselves one face-up and one face-down card. The face-down card is referred to as the hole card because it’s not visible to players.

The dealer is the only person at the table who sees the hole card, because they check for a natural blackjack before players act.

Given that you don’t see the hole card, you’re basing blackjack decisions on incomplete information.

Basic strategy helps you narrow the gap between the house and yourself. But you’re still at a slight disadvantage when using perfect basic strategy.

Enter hole carding: an advantage-play technique that involves spotting the dealer’s hole card. If you see their hole card, you can gain up to a 13% advantage.

Any dealer who consistently offers players a chance to see this is called a “flasher.” These dealers, through one mistake or another, allow players to gain a big advantage by flashing their hole card.

The best way to spot these dealer flaws is by sitting in the right seat and paying close attention to every hand.

Most players don’t pay attention to when the dealer peeks for blackjack or deals themselves the hole card. But by doing so, this gives you a tremendous advantage at a flasher’s table.

Spotting the dealer’s face-down card when they peek for a blackjack is called “first-basing” or “third-basing.” Spotting the hole card when it’s slid under the up-card is called “front loading.”

Many hole-carders sit at first base, which is the first seat to the dealer’s left. This gives you the best chance at seeing a right-handed dealer’s hole card.

The other popular hole-carding seat is third base, which is to the dealer’s immediate right. This is the best spot to see a left-handed dealer’s face-down card.

It also helps if you can gain a vantage point closer to the table felt. The more level your eyes are with the table, the better chance you have of seeing the hole card.

Shorter players have an advantage in this regard because they’re naturally closer to the table felt. Taller players often lean back to improve their vantage point.

Of course, the key is to do so in a subtle manner. Being obvious about leaning back or slouching draws attention to your hole-carding efforts.

Another thing that you need to be careful of is over-using your advantage. Sometimes you should ignore the info you gain when using basic strategy because some plays look too suspicious.

Here’s an example.

• Your first two cards total a hard 8
• The dealer’s up-card is a 10
• You see that the dealer’s hole card is 2
• The optimal play is to double down against the dealer’s 12
• But no regular player is going to make this decision because they’re not supposed to have this info

The last thing that you want to do is continue taking advantage of plays like this, especially when your dealer is a consistent flasher.

If the casino finds out that a dealer is consistently flashing cards and helping a player(s) win, one of two things will happen.

• 1. The dealer will receive better training
• 2. The dealer will be fired if flashing becomes a consistent problem

In either case, the work you put into finding a flasher goes out the window. And this is hardly worth taking advantage of a few suspicious plays that you should let go.

Players need to think long term and realize what kind of profits they can make by continuing to play at the dealer’s table. Avoid decisions that are too far outside the bounds of regular strategy.

It’s hard to find a consistent flasher. Casinos train dealers on how to deal without giving players a chance to see their hole card.

Nevertheless, some dealers either don’t pick up enough skills in training or become lackadaisical over time.

The best place to start when looking for flashers is casino-heavy cities like Las Vegas, Atlantic City, and Reno. This enables you to bounce from casino to casino within a single shift.

Odds are that you’re not going to find a flasher within your first few hunts. But once you do find one, note what shift they work and make it a priority to play at their table.

Shuffle Tracking

In the 1960s and ‘70s, Las Vegas casinos began implementing shoe games. The idea was to hinder card counters by forcing them to count through multiple decks in each shoe.

Casinos thought that they solved their card counting problem with shoe blackjack tables. But card counters merely adjusted their strategy, and other techniques such as shuffle tracking were born as well.

Shuffle tracking refers to tracking specific cards, or a sequence of cards, through multiple shuffles. Shuffle trackers monitor where 10s and face cards (a.k.a. high cards) are throughout the coming rounds.

Much like card counting, the goal is to bet more when the shoe is abundant in high cards. When used properly, shuffle tracking is much more effective than counting.

But this technique is also very difficult to use, because you must know an advanced strategy on top of card counting.

The basic idea behind shuffle tracking is that shuffles aren’t random, and you can track certain cards after a shuffle.

You might think, “Can’t dealers just shuffle more to make decks more random and stop shuffle trackers?” But many casinos don’t like their dealers wasting too much time with shuffles, because this slows the game and lowers profits.

Blackjack dealers commonly use a “zero shuffle,” where cards are separated into piles, with the shuffling only being done between the piles (i.e., the dealer grabs two piles and riffles them). This means that the ace of hearts, for example, would have a high chance of only being in one or two sections of the shuffled shoe.

Card counting comes in because you want keep track of the count in different discard sections. I’ll start this explanation by looking at the point values assigned in the Hi-Lo counting method.

• 2 through 6 = +1
• 7 through 9 = 0
• 10 through ace = -1

You can use other card counting systems with shuffle tracking. But the Hi-Lo is a popular counting strategy that’s easy to use.

As you may know, high cards favor the player by improving their chances of getting a natural blackjack payout. This advantage comes from the fact that players get either a 3:2 or 6:5 bonus with a natural.

Meanwhile, low cards reduce the dealer’s chance of busting out while they try to reach a hard 17. Anything that increases the dealer’s odds of winning is bad for players.

The premise is to make higher bets when the shoe is rich in aces and 10-value cards (i.e., positive count) and bet the table minimum when the shoe contains more low cards (i.e., negative count).

The overall positive or negative count is referred to as a “running count.” But Hi-Lo system users convert this into a “true count,” which accounts for the number of unplayed decks in the shoe.

Here’s an example:

• Your running count is +8
• There are 4 decks remaining
• 8/4 = +2 true count

Card counting and shuffle tracking come together when players have a good idea of what card values are left in the shoe based on their count. If they can take this a step further by visually tracking high cards and finding them bunched together, they gain an even greater advantage.

One big benefit of shuffle tracking is that it’s harder to spot than card counting.

Sure, you’re still increasing bets during favorable situations. But your increased bets come in a shorter span once 10-value cards and aces emerge in clumps.

Another advantage is that you can gain up to a 50% advantage with perfect shuffle tracking.

No player will have this edge all of the time. But an expert shuffle tracker may gain between a 10% and 30% long-term edge, depending upon the dealer and shuffling style they’re using.

The downside is that shuffle tracking is extremely difficult to pull off. You not only need to keep a good count, but also follow the deck with your eyes and understand how high cards will disperse after shuffles.

Be prepared to practice for quite some time in order to become an expert shuffle tracker. Even then, you need to be good enough to pull this off with a high degree of certainty.

In other words, some players fool themselves into thinking that they’re gaining an edge, when they’re really not doing anything special.

Another drawback is that not every casino trains their blackjack dealers in a shuffle that can be exploited. Some casinos use a 2-pass shuffle, where they go through two rounds of riffling and restacking.

2-pass shuffles make it harder to track cards during a shuffle. Ideally, you want a one-pass shuffle to cut down on the randomness of the shoe.

One more point worth making is that you can’t shuffle track with a continuous shuffling machine (CSM). That said, look for hand-shuffled shoes with one-pass shuffles.

Ace Sequencing

Ace sequencing is a different type of card tracking, where you try to remember what cards are on top of the ace in the discard pile. You then make larger bets when you see these cards come out in hopes of being dealt an ace.

Like shuffle tracking, ace sequencing is a difficult pursuit. The best ace trackers can remember up to a dozen card sequences in each shoe, thus greatly improving their chances of catching aces.

If you know that you’re likely to be dealt an ace, you can gain up to a 50% advantage on the house. When you’re dealt an ace, you have a 31% chance of getting a 10-value card and completing a natural blackjack.

But becoming a great ace tracker is hard because there’s not many materials on the matter – unlike with card counting. Additionally, it takes a while to learn how to properly execute this concept.

Ace sequencing begins with watching discard segments so that you can guess what clumps might appear intact after a shuffle. You also want to watch where aces go into the discard tray, so that you have a good idea on when an ace will be dealt in a segment.

Finally, you want to remember 2-3 cards that are placed on top of the ace in the discard try. Dubbed “key cards,” these are what you watch for after the deck is shuffled.

You then increase your bet when you see the key cards and can anticipate an ace being dealt.

But keep in mind that ace sequencing is just like shuffle-tracking in that it doesn’t work when your table has a CSM.

Edge Sorting

Edge sorting is an advantage-play technique that was popularized by poker pro Phil Ivey. Along with his partner Cheung Yin Sun, Ivey won over $20 million collectively from Crockfords and the Borgata.

Lawsuits ensued, and the court sided with both casinos on the matter. But this was only after Ivey’s case was heavily scrutinized by casino security.

That said, it’s theoretically possible for blackjack and other card players to win money with edge sorting.
This technique involves spotting flaws on card backs and using this information to predict card values before they’re revealed.

But you can’t just walk into the casino and expect to find a flawed deck to take advantage of. Instead, you need to know about design flaws in specific manufactured decks and determine where these decks are used.

This is how Cheung was able to help Ivey win millions of dollars. She analyzed a purple Gemaco deck for hours and became good at spotting the design flaws.

These flaws often come in the following form.

• One side of certain card backs will feature half-diamonds on the edge
• Other cards may have full diamonds on the edges
• These flaws are easiest to spot when the flawed side is rotated towards you
• The goal is to figure out which values have an irregular diamond pattern on the back

Edge sorting works best when cards are rotated 180 degrees because this makes it easier to see the diamond patterns. This is why Ivey specifically requested that cards be rotated 180 degrees under the guise of superstition.

But Ivey is a high-stakes gambler who can make these kinds of requests. The average player doesn’t have this sway and won’t have a chance with edge sorting.

Unless you’re a high-stakes blackjack player, then you can’t gain an advantage through this technique through special requests. Even when you can make these requests, casinos will be on guard due to the fame associated with Ivey’s case.

Do Any of These Advantage-Play Methods Beat Blackjack?

All of the blackjack advantage-play techniques covered above can give you a greater edge than card counting.

You can gain up to a 50% advantage in the case of both shuffle tracking and ace sequencing. Hole carding can also give you a nice edge worth up to 13%.

I can’t find exact figures on what advantage a player can gain with edge sorting. But based on how well Ivey did, I’m assuming that you can earn over a 20% advantage with it.

Compared to all of these techniques, card counting is a much tougher grind. The average skilled card counter only gains a 1% advantage.

This means that you’ll experience almost as many losing sessions as you do winning ones. Because of this, card counters need large bankrolls worth $30,000 or more to survive variance with any degree of certainty.

But the good thing about counting is that it’s easier to pull off than any of the methods I covered above. Furthermore, you can find more blackjack games that are susceptible to card counting.

Contrast this to hole carding, shuffle tracking, ace sequencing, and edge sorting, where you need much more specific conditions to win.

I’m not saying that you shouldn’t try these advanced strategies. This is especially the case with hole carding, shuffle tracking, and ace sequencing, which work with great success in the right games.

But be aware that you’ll need to put in more work with these techniques to properly use them.

Conclusion

You’ve likely heard stories of card counters getting kicked out of casinos. In fact, the movie 21 dedicates multiple scenes to the casinos’ pursuit of the MIT Blackjack Team.

The same holds true of any other blackjack advantage-play method you use, whether it be hole carding, shuffle tracking, or edge sorting.

Casinos are private establishments that can refuse service to blackjack players. And if they determine that you’ve gained an advantage in any form, they’ll ask you to leave.

This makes it important to blend in and act like a normal player if you do gain an advantage. If your edge is large enough, you might even consider messing up a few plays just to look like an average recreational player.

Above all, make sure that you have an advantage first. Then you can concentrate on a persona to use to avoid casino detection.

But before you embark on a quest to become a pro, I recommend playing some low-stakes blackjack while you figure the game out.

You can use basic strategy while keeping an eye on the dealer’s hole card, flawed decks, or shuffle-tracking opportunities. This is a nice way to transition from being a regular player to getting an edge on casinos.

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The Random Number Generator (RNG) is at the heart of the modern online gambling industry and is prevalent in all online games, blackjack included. The RNG’s purpose is to ensure random, i.e. unpredictable outcomes, guaranteeing fairness for everyone involved.

Blackjack is by far the only casino game where players can turn the tables in their favor through the implementation of advantage play techniques such as card counting. This is possible because blackjack is a game of dependent events, meaning that previous outcomes affect the odds of future outcomes. Players use the knowledge of past cards dealt to make better informed playing decisions about the hands to follow.

Is this the case in online blackjack variations that run on RNGs, though? Rather than having a human dealer to shuffle and randomize the card order, online blackjack uses algorithms and mathematical formulas to ensure each card that appears on the virtual felt is dealt at random. This prevents the games from showing bias toward the dealer or the player.

For years, gambling buffs have speculated as to whether or not such games are truly random and unbeatable. Some swear by the unpredictability of randomly generated online blackjack while others believe the games are exploitable.

Here at SuperCasinoSites, we give you the full lowdown on all you need to know about Random Number Generators in online blackjack as well as an answer to the question are such games beatable or not.

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The RNG and How It Works?

The RNG made its entry into the gambling industry as a new way to operate slots. Slot machines previously had physical reels that rotated to determine which symbols would eventually appear and potentially create winning combinations.

Slots gradually developed into more complicated games with multiple paylines and special features. The need to introduce a new way of ensuring random outcomes arose. Physical space was limited on old-fashioned reels and did not allow for the ever-increasing number of symbols and winning combinations in advanced slots.

It is this need that led to the introduction of the Random Number Generator. The RNG is a built-in program that relies on mathematical computations to generate fully random events. Frequently implemented in scientific simulations, it also found its way into the gambling industry with the rise of online casinos.

The RNG can be used to simulate random independent events such as the roll of the dice, the spin of a roulette wheel or the flip of a coin. In the context of online blackjack, the RNG shuffles the cards, ensuring every single hand is randomly dealt and has an unpredictable result.

The software achieves this by generating lengthy strings of random numbers. It has no knowledge of previous results and lacks a predictable pattern. The implementation of RNGs is essential when it comes to ensuring fair and unbiased online casino games, whether it is blackjack, roulette, slots or any other game with an element of chance. They are also used in brick-and-mortar venues for electronic roulette and blackjack, keno, and video poker.

True Random and Pseudo-Random Number Generators

There are several types of RNGs, the first one being the True Random Number Generator (TRNG) which relies on some external input to spit out random results. The TRNG is significantly more expensive to maintain. It is mostly used in the field of cryptography where its main purpose is to spew random cryptographic keys to transfer data safely.

The vast majority of online casinos rely on the so-called Pseudo-Random Number Generators (PRNG). Unlike the TRNG, the PRNG is deterministic and uses complex algorithms to produce unpredictable results in casino games like blackjack. Let’s have a more detailed look at the differences between these two main types of RNG.

One-to-One Comparison between TRNGs and PRNGs

Qualities	PRNGs	TRNGs
Level of efficiency	High efficiency	Poorer efficiency and fewer numbers produced
Deterministic or non-deterministic	Deterministic	Non-deterministic
Periodic or non-periodic	Periodic	Non-periodic
Suitable applications	Modeling and Simulation	Data encryption, random sampling, casino games, draws, and lotteries

True Random Number Generators (TRNG)

TRNGs rely on different natural phenomena or external sources to produce random numbers. To use a simple example, suppose you place 1,000 microphones in multiple noisy areas worldwide. You can use their combined sound output for the purpose of randomization. The TRNG will use these obviously unpredictable random sounds and translate them into strings of numbers.

This type of RNG lacks a computer algorithm to make computations, which means the numbers its spews are indeed an unpredictably jumbled mess. The TRNG extracts random numbers from physical phenomena such as the movements of a computer mouse, keystrokes, radiation waves, and atmospheric noise.

TRNGs are also known as Hardware Random Number Generators because they use hardware transducers to transform certain aspects of physical phenomena into electrical signals. This physical output is then converted into random digital numbers with the help of analog-to-digital conversion systems.

There are many ways to achieve absolute randomness but most TRNGs usually rely on external sources such as radiation waves. One great example is the HotBits service which creates random numbers by timing the decay of consecutive radioactive pairs, an inherently unpredictable process. This information is detected and fed into a computer straight from a Geiger–Müller tube.

Atmospheric noise can also be used for this purpose and so can background noises like those in office buildings or laboratories. In the second case, you will have to watch closely for discernible patterns as those can hurt randomness.

Another cool example of a highly functional TRNG is Silicon Graphics’ lavarand generator. It extracted random data from snapshots of the shapes made by the floating material in lava lamps. The data was then used to produce truly unpredictable seeds for a Pseudo-Random Number Generator.

Regardless of what physical phenomenon is implemented for the generation, the TRNG is non-deterministic, which means the number sequences it produces cannot be recreated, intentionally repeated, or predicted in any way.

With that said, certain number sequences can repeat themselves several times but this repetition happens entirely by chance. As for efficiency, TRNGs often lack in this department. Unlike PRNG, they require more time to generate numbers.

Pseudo-Random Number Generators (PRNG)

Many online blackjack variations run on the so-called Pseudo-Random Number Generators (PRNGs) to give randomness a kick. Rather than relying on completely unpredictable physical phenomena, the PRNG uses complex algorithms and computations based on a predetermined set of rules.

The difference here is that the PRNG does not necessarily require an external input to produce random outcomes. All they require is a fixed algorithm and seed numbers to kick off the process of random number generation. Each random number corresponds to a particular card value and suit.

The PRNG is highly efficient at its task because it is capable of producing very long strings of numbers every millisecond. Unlike TRNGs, the PRNG is deterministic, which is to say it can reproduce a specific number sequence at a later date if need be. It is also periodic in the sense that number sequences, no matter how chaotic they appear to be, will sooner or later start to repeat themselves.

It makes sense this periodicity is an undesirable trait in the context of online gambling games such as blackjack. It takes away from the unpredictability of the hands’ outcomes. This renders online blackjack games theoretically exploitable.

In practice, though, the period of repetition of sophisticated casino PRNGs is extremely long and involves billions of hands. This fact alone prevents players from detecting any patterns in the outcomes whatsoever.

The casino software communicates with the PRNG each time it must reproduce a random result. The PRNG then generates a number and feeds it back to the software. Each number is related to a potential outcome or card value and the software displays it accordingly.

Assume, for instance, you are playing blackjack in a landbased casino and you choose to hit. The dealer will simply draw the next card from the top of the deck or shoe. This is not what happens in online blackjack since here cards are not dealt from a “real” shoe.

The casino software would simply instruct the PRNG to generate an arbitrary number, which will determine the value of the card you are dealt next. This process repeats itself after every single hand. Once you finish a round, the discards are reintroduced back into the virtual shoe and reshuffled. In essence, you are always playing from a fresh and therefore, neutral shoe.

The table below is a one-to-one comparison between Pseudo and True Random Number Generators.

Measures Taken to Ensure Fairness in RNG-Based Blackjack Games

Online blackjack utilizes Random Number Generators in place of dealers, which causes some players to question the authenticity of the games. Are they rigged in favor of the house or not? One typical scenario is when a player goes through several hundred hands, loses half or the majority of them, and quickly jumps to the conclusion the game is rigged. It seems the virtual dealer always manages to outdraw them no matter what upcard they show.

The trouble is this scenario is not all that uncommon in gambling, even if you play games like blackjack which combine elements of skill, strategy, and chance. The above-mentioned reasoning is a classic case of confirmation bias.

Us humans have the tendency to look for, interpret and sift out information in a way that reinforces our prior individual beliefs. Some players’ line of thinking is “I am losing a hand after hand so the game most definitely is rigged against me!”. However, a sample size of several hundred or thousand blackjack hands is hardly sufficient when it comes to drawing any such conclusions.

We would like to point out honesty and fair play are not something you should worry about if you play blackjack at reputable, licensed, and properly regulated online casinos. Here is why:

Tests and Evaluations of the RNGs

Tests and evaluations of the RNGs used in blackjack games are performed regularly to make sure the software works efficiently. The available blackjack variations undergo frequent audits by third-party testing companies like eCOGRA, Gaming Laboratories International or Technical Systems Testing.

These are all independent auditors to prevent any conflict of interest. The audits assess the games’ RNGs, using sample sizes that involve millions of blackjack hands. This is the only way to determine whether the outcomes of a given game add up to its built-in payout percentage or not.

Certificate From the Testing Agency

Once an online casino passes the audits successfully, it is granted a certificate from the testing agency to post on its website. This badge of approval indicates the blackjack variations, along with all other available games, are random and therefore, fair. Moreover, online gambling operators are expected to report the results of these audits, along with their games’ payout percentages, to their regulators. If something is amiss, the casino faces serious repercussions.

Randomness in the Blackjack Games

Finally, randomness is of utmost importance for casino operators as well. It preserves the integrity of the blackjack games and ensures the casino generates sufficient expected value to continue operating. Remember you are already playing against the house at a small disadvantage, roughly 0.50% in blackjack games with more favorable rules.

There is no need for online casino operators to cheat you and risk losing their licenses in the process. They have already secured their cut from the virtual blackjack tables thanks to the built-in house edge. Casinos face a heavy financial penalization and license suspension if an audit determines their blackjack games are rigged.

The Attributes of Exploitable Blackjack Games

Now that you have understood what the RNG is and how it is implemented in online card games, we shall return to our original question, namely “Can you beat the RNG in online blackjack?”. And more particularly, is this feat achievable through the implementation of techniques like card counting. To answer this question, we must first examine the attributes of profitable, i.e. beatable, blackjack games.

Favorable House Rules

To begin with, you need to find blackjack variations with favorable rules that reduce the house edge enough so you can beat the game. Some of the things you need to consider in advance include the payouts for blackjacks, the number of decks, and the doubling and splitting rules.

The more liberal the rules are, the lower the house edge becomes. The rules of some variants are poor enough to render the games unbeatable. Other rules like Late Surrender are favorable to players and decrease the casino advantage.

Games that offer reduced payouts of 6 to 5 for blackjacks have considerably higher house edges and should be avoided at all costs. Luckily, the majority of online blackjack variations pay for naturals at standard odds of 3 to 2.

Good Penetration

The second attribute of beatable games is good enough deck penetration. For the uninitiated, the term designates how deep the dealer would deal into the shoe before reshuffling the cards. The deeper the penetration, the more information a card counter gets as to what cards remain to be dealt.

The main issue with RNG-based blackjack is that it gives advantage players no penetration whatsoever. This renders techniques like card counting completely useless. RNG blackjack is equivalent to live-dealer games where Continuous Shuffling Machines (CSMs) are used. The software automatically reintroduces the discards into the shoe and reshuffles everything after every single hand. This is an instant put-off for versed blackjack players.

It is impossible to beat a game where the cards are shuffled after each round. To use card counting to your advantage, you need good enough penetration. An example of adequate penetration is a six-deck game where the dealer shows you around five decks before reaching the shuffle card.

With RNG-based games, you start each round from a neutral, newly reshuffled shoe. Respectively, you base your playing decisions on limited information since you only get to see the cards dealt to your hand and the upcard of the virtual dealer. The best you can do against the RNG is stick to perfect basic strategy, in which case, you are still playing an unbeatable game with negative EV.

Hands Played per Hour

Speed is a double-edged sword when it comes to online blackjack. RNG games play at an exceptionally fast speed, which may appeal to players who prefer greater dynamics. Since you play against the software, there are no other players at the virtual table to slow you down while making their decisions.

The main trouble here is this increased dynamics can be extremely costly in the long run because you end up playing significantly more hands per hour than you would in a traditional landbased casino. There is no natural pause in the game for reshuffling, either. The RNG knows no rest, tirelessly reshuffling the virtual shoe round after round.

Consequently, you play a greater number of hands at a disadvantage, which ultimately causes you to lose more money to the house edge in the long term. Each result is unpredictable and entirely independent from the rest. Every round starts from a neutral shoe that favors neither the player nor the virtual dealer.

You can benefit from playing more hands per hour only if you count cards in a game with decent penetration and this is not something RNG-based blackjack offers. Here, the more you play, the bigger your hourly losses will get.

Conclusion

Some players assume that Pseudo-Random Number Generators (PRNG) in online blackjack are beatable due to their determinism and periodicity. They reason such games are exploitable because sooner or later the sequence of numbers will begin to repeat itself.

Best Blackjack Online

While it is theoretically possible to use this “pseudo” randomness to your advantage, very few people are capable of achieving it in practice. The algorithms in RNG-based blackjack are simply way too sophisticated so predicting the outcomes of the hands borders on the impossible. Furthermore, the software undergoes regular audits. Rigged or hackable blackjack games will never slip through the net during testing.