you can choose to empty it or fill it with a wallet address from a custodial wallet such as safepal, trustwallet, or atomic wallet, because filling in the wallet address from the exchange is not recommended because at any time it can change and storing your assets on the exchange does not allow you to freely manage it. so it's better for you to use the wallet address from the custodial wallet. moreover, you plan to become a holder, right? custodial wallet is the best choice.