Scratch cards are a type of lottery in which the player must remove a panel to reveal a secret number or symbol to win. These scratch cards are now also available at internet casinos, where they can be played with the click of a button. Scratch cards, or “scratchies,” as they are more commonly known, are popular all over the globe.īefore there were online casinos and rules about real-money online gambling, most people bought scratch cards at convenience stores and grocery stores. Since anyone can play scratch cards and the outcome is entirely dependent on chance, they are very popular at online casinos.