Welcome to the forum, when I see "Decentralized Crypto Sportsbook", I then check the site because I really like a decentralized one. it's not usual so I guess I have to study how to play it, I thought it was the the same with directbet before where you bet, send your bet on a certain address and if you win it will automatically return your winning to a an address you specified.
If I may ask, what made this different from other sportsbook that is not decentralized?