This podcast episode explores the history of scratch-off lottery tickets, focusing on their invention and impact on the gambling industry. It begins with an interview of Jon Cozza, the mathematician who developed the security system for the first scratch tickets, detailing the challenges of creating an unhackable game and the eventual bankruptcy of his initial employer. The episode then discusses the role of organized crime in the lottery industry and how the Massachusetts lottery, led by a mathematically-minded director, became the first to successfully launch scratch tickets in 1974. A key takeaway is that the instant gratification offered by scratch tickets transformed the gambling landscape, paving the way for the widespread mobile and online gambling we see today. The episode concludes with a discussion of the lasting impact and cultural significance of the scratch ticket's invention.