As others have said, looking at it, it's 95% certain to be an exchange.
They took all their inputs and now customers are withdrawing and they are shrinking the wallet.
I am saying most likely an exchange since most casinos tend to send out their payouts at scheduled intervals and in batches.
This looks like people just withdrawing over time.
Or FTX has begun to reorganize its payment structure, in the spirit of Coinbase. Indeed, a couple of months ago, within the framework of the next round of financing, FTX received 900m, part of which was spent on buying back their shares from Binance, and part of the funds, as announced, they used for scaling and reorganization. I am not good at recognizing cold
BTC addresses to summarize, but I think logically speaking, we can assume that this is the fulfillment of promises.