About campaign managers, this are list:
https://bitcointalk.org/index.php?topic=4412712.0I will recommend Trofo, Hhampuz, Little Mouse, Royse777
How secure is your site to people who are connecting their wallet to gamble with your platform?
Won't there be a hack or a wallet compromisation that would lead swiping out someone funds if eventually connected to your site?
If you connect your wallet, the site can steal your coins if they are not trustwallet. Use just little amount of money first until the site has many reputation and use secure means.