Sometimes the error message “Signature Failed” will appear when trades occur.
Please wait for a moment and then commence your transfer again. Your trade should be processed as normal.
In the case that this error message continues to appear, please check the version of your Zaif mobile app. If the version is before 18.104.22.168, please update to the newest version.
*You can check the version of the mobile app by going to “Menu”, “Settings” and then “About This App”.