I think I am the only one who thinks that this reasoning is a bit vague. I can't argue about the KYC documents, but a few things are a bit
With that in mind, we think it’s crucial to share some of our reasoning and proof behind why we’re certain that LAngel’s winnings are not legitimate and are a result of fraudulently manipulating GameArt’s Dawn of Olympus.
How can this (still) be possible, if....
This is not the first encounter we’ve had with this person and this was made crystal clear when we uncovered a 100% match to a previous user who had been investigated and subsequently blocked for tampering with games.
We use a wide array of industry-leading detection tools, 100% across them is unambiguously a match.
....you knew about this being possible before.
Previously, this user managed to extract a large amount of BTC from ourselves and also hit a few other crypto casinos in a very similar manner.
For this reason this person is widely known to ourselves, other crypto casinos and at least GameArt, if not other game providers.
Why was this user still allowed to play on your site ?
I think you should take some blame too for a) leaving some possible exploit on the table and b) still sticking with the user, as long as he was probably "useful".
Below, you will see the publicly available proof from the Blockchain supporting our findings (...)
This is really just some support, but no proof. It's not forbidden to send crypto to a friend, who happens to also have an account at the same site you are playing. I do this all the time with a friend of mine, and we are different persons, with seperate accounts and not multi-accounting. We would also fund the other ones account from our own BTC addresses. Probably not very clever though
In the end these blockchain transactions are just circumstantial evidence imo.