Every centralized exchange has a minimum withdrawal limit and a Fixed withdrawal fees. so you will not able to withdraw your asset if your asset is less then there requirement amount. you saying your asset is only $0.5 And I have never seen such a small amount withdrawal option in any exchange with any coin. the exchanges I use have the lowest minimum withdrawal amount requirement of $2 which must also be TRX or BNB. so I don't see any chance for you to withdraw 50 cents.