FatFork provided an excellent display of material in his post.
It is not a hidden fact, 1xbit/1xbet/kawbet are operated by the same scammers. Your explanation about using the same wallets as a result they use the same payment provider is not correct.
So, in your opinion, all these casinos belong to one company?
Of course, it is theoretically possible, although unlikely for me.
In my opinion, everyone who uses the software from
https://betb2b.com/ provider have this same payment gate and that is how you see that all this casinos use this same wallet.