Yes, Fliff is 100% legit. Current US gambling laws can be difficult to get your head round, but you probably will have seen that sweeps casinos are a new type of player platform that let you enjoy all of your favorite casino style games for free. Social sportsbooks, such as Fliff, are a bit of a new phenomenon but are completely legal. To understand this in a bit more detail, we’d suggest having a read through our complete Fliff reviews.