Since the very first casino opened its doors, an endless war has raged between the operators trying to protect their money and the criminals trying to steal it.

Cheating is no longer about complex card counting (which is technically legal); it is about physically manipulating the cards, the dice, or the chips after the outcome is known.
Past Posting: The Art of the Late Bet
The most common and arguably the most difficult-to-detect method of table game cheating is a sleight-of-hand maneuver known universally as "past posting."

Often, a confederate (an accomplice) will intentionally spill a drink or loudly argue with a waitress at the exact moment the cheater makes the move.
Past posting involves adding chips to a bet after the player already knows they have wonIt is also called "late betting" and is most common on the crowded, chaotic roulette tablesCheaters use palm-palming techniques to hide the extra chips in their hands How Players Manipulate the Deck
In card games like Blackjack and Baccarat, the entire house edge relies entirely on the fact that the next card in the shoe is a complete mystery.

A more sophisticated, highly controversial method popularized by poker legend Phil Ivey is known as "edge sorting."
The Mechanics of a Craps Scam
However, highly skilled mechanics attempt a scam known as "dice sliding," which completely removes the random tumble of the dice.

By keeping the desired number facing upward during the entire slide, they only have to worry about the random outcome of the second tumbling die.
Cheating MethodTarget GameHow it WorksPast PostingRoulette / BlackjackAdding chips to a winning bet lateEdge SortingBaccaratExploiting asymmetrical card patterns
The glamorous era of casino cheating has largely been eradicated by incredibly advanced facial recognition, RFID-chipped betting tokens, and relentless surveillance.