Rather famously, a Canadian casino in the 90’s had a keno game which was powered down nightly as the casino was only open 18 hours a day. While the game’s RNG w

Rather famously, a Canadian casino in the 90’s had a keno game which was powered down nightly as the casino was only open 18 hours a day. While the game’s RNG was demonstrably random, a critical error was made in its implementation: the seed was stored in ROM. As a result, it repeated the same sequence of numbers following each power cycle. After a patron matched 19/20 numbers in three consecutive games, they took the machine out of service and ultimately paid him the $620k he’d won. Source: https://www.americancasinoguide.com/gambling-stories/costly-casino-mistakes-the-keno-mix-up.html https://www.americancasinoguide.com/gambling-stories/costly-...