Don't know which of them who accept first but Earnbet also accept UNI on their casino.
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That means I missed the info about receiving UNI tokens on other platforms and indeed I rarely visit Earnbet threads so I don't know. ; D
In fact, I don't even imagine the current gas costs what if sending UNI tokens to gamble even though what I know is that when sending tokens at a high price costs more than 2x more than sending ETH alone.
So for me but choose another option.