Deposit ETH withdraw USDT, deposit USDT withdraw ETH, deposit ETH withdraw USDT. The amounts were not like $100 or $200. It may look like using them as mixer although I don't know how risky those bets were. Casino's are not meant to be a mixer. Obviously all these are guess from us.
Using them as a mixer? Doesn't seem like a smart move to me because he's actually risking by staking using relatively huge odds are seen by the amounts he kept withdrawing.
I doubt if there was any intention to
"mix" the coins.
Deposited 6,494.04 USDT -----> Withdrew ETH worth 9,468.50 USD
Deposited ETH worth 9,228.0 USD -----> Withdrew 12,700.00 USDT, Withdrew ETH worth 208.13 USD
Deposited 12,690.07 USDT -----> Withdrew 16,654.00 USDT (Not processed)