If I am not mistaken and I could be wrong, you didn't need to pass KYC on Binance to make use of it (years ago) but since then everything has changed. I know this topic has been discussed already a lot, but more and more casinos are requiring KYC so probably Duelbits is checking this daily.
Binance is a crypto exchange platform so it's only natural that they implement KYC requirements for their users because after all Binance doesn't want any money laundering actions to occur on their exchange platform which could involve the name of binance in such cases.
It's the same with crypto casinos that have KYC provisions for the sake of avoiding problems that can be burdensome and destroy their casino business.
Up to this point we must always be able to respond wisely regarding the existence of KYC requirements in the gambling industry.
Yes and duelbits will always check that because it is included in their interests and priorities for the casino business which they have been running for quite a long time.