Betby is the most popular odds provider in the crypto gambling industry. Still, there are a good number of other odds providers too. You may follow
this thread to have an idea about it.
Thanks for pointing me to your thread, I missed this thread, and now know which providers are for sportsbook, apparently Betby is most widely used in forum casinos.
That's the reason most gambling platforms have KYC terms; sometimes the casino is not interested in implementing KYC, but they are forced to do so due to regulations and providers. So far providers also sometimes flag accounts, and the platform then takes the necessary step, including asking for KYC. So unless it is a fully non-KYC casino, then the platform would ask for KYC according to the terms.
Although in the title without KYC but in the ToS there is another rule where KYC can be requested at any time, for me this is not strange and is common in some casinos, because it is time for such rules, meaning that we should not be surprised to be asked for KYC it is a certainty if we get problems from our betting activities.