How to Use OneKey Wallet for Signature Authentication when Withdrawing from Exchanges like HashKey/OSL

After logging into your OneKey APP, go to the main wallet operation interface. Click on the「More」button in the upper right corner, then select 「Sign&verify message」from the dropdown menu.
​

Once on the signature page, select the correct mainnet, and paste the authentication text provided by the exchange into the 「Message」 field below, as shown in the example image.
​

Click 「Sign」, then confirm on your hardware wallet. Once done, copy the text from the 「Signature」field below and paste it into the relevant field on the exchange's authentication page.
​