This is not the first time I have seen the smartcontract-hosted betting mechanism, maybe this platform will be enriched with more varied sports betting options and allow several types of betting assets or it will be limited to using only their own tokens.
Something interesting in the FAQ section.
Better Fan is a predict-to-earn game based on real sports events. We allow users to place their predictions on sports events without any financial risk, our target audience includes all sports fans, gamers, and individuals who suffer from gambling addiction.
A guarantee that seem exaggerated to comfort players, there have been a number of cases of smart contract exploits in the past despite the developer claiming to have used verified auditors. Then I wouldn't take that jargon as an excuse to play on this platform worry-free.