Maybe since the Games and rounds board is bitcoin-only then you might not need to mention USDT in the description, another example $150 cash is fine.
Maybe the reason why the mod deleted the topic was because it said USDT.
Yes, the reward needs to be in bitcoin if he wants the thread not to be deleted.
mprep pinned it on the games and round board.
Giveaways and games that pay out altcoins do NOT belong here