Web3 has dapps. so possibly the bet, winnings and paying is processed there. While it is easier to understand how the process go in a platform running in web 3.0 since web 3.0 can run in centralized system so the processing is done by the centralized system where the owner has access.
Thanks for the explanation. Didn't know that Web3 and Web 3.0 were different. Basically, Web3 is always decentralised while Web 3.0 can be centralised or decentralised.
Whatever the case, gamblers focus more on other factors such as house edge, promotions, whether KYC is truly required or not etc which makes sense since very few of them care about these new technologies.