A.
If you are unable to read the QR code displayed on the One Time Password Authentication setting page, press “If you are unable to read the QR code, click here.” A 32-character code will be displayed, and you can copy the code and paste it into the application for One Time Password Authentication to connect your Expo ID and You can complete the connection between your Expo ID and the app by copying and pasting the code into the One Time Password Authentication App.
https://www.expo2025.or.jp/wp/wp-content/themes/expo2025orjp_2022/assets/pdf/tickets-index/id_registration_manual_en.pdf
https://www.expo2025.or.jp/wp/wp-content/themes/expo2025orjp_2022/assets/pdf/tickets-index/id_registration_manual_en.pdf