It is now 100% sure, 1xbit is owned by 1xbet (even though they say they aren't) look, I created an account using Korean VPN:

The connection between them was dug up a long time ago by members like @decodex etc which made it pretty clear that both sites are dependent on each other to varying extents based on what I observed.
Some fools were defending 1xbet saying that they weren't connected, but they stopped all of that after these connections were established. No need for more research into all of this.
Yes I also did not do any further research when I found out that 1xbit and 1xbet are related to each other even though the speculation that I read and received earlier was not proven and then the casino also said that they were different entities but how could something so similar they did not have any relationship.
I also thought that all the fraudulent casinos had a relationship with 1xbet who is the mastermind of all the casino scams, but I don't think so, but most probably it could be true, but I don't dare to accuse further because I don't have any evidence to confirm they have many platforms that aim to cheat.
Today we just need to stay away from every casino associated with 1xbit and 1xbet because it is likely that they will commit fraud again to us, of course we must be more vigilant in choosing a casino.