Didn't receive tokens after selling your NFTs? They come in as wrapped tokens on Lootex.
If you sell NFTs on Lootex for ETH/BNB/MATIC, you will receive wETH/wBNB/wMATIC in stead. They are so called 'wrapped tokens.' Wrapped tokens are pegged to the value of the corresponding tokens and can be swapped to other tokens.
The following guides are for how to check the balance, swap, and deposit your wrapped tokens.