I am curious to know which betting companies offer the opportunity to bet on cryptocurrency? I have some extra USDT in my wallet, and I want to try my luck and try to multiply it with bets.

I want to warn you in advance that betting is not a magical way to earn money, but only a gambling entertainment, with which you can both win money and lose it all. Please be careful not to spend everything on them. As for the bookmakers that allow you to make betting on USDT, you can find them here https://betclone.com/crypto/usdt.shtml.