Q. [One Time Password Authentication for Expo ID] I received an one-time password email even though I didn't request one. A. Please contact us via the website below to find out more. https://faq.expo2025.or.jp/hc/en-gb/p/contact Related articles [One Time Password Authentication for Expo ID] I was locked out of entering the one-time password (email). ［Admission Tickets］Who is eligible for a Special Ticket? [One Time Password Authentication for Expo ID] One Time Password Authentication (email) does not appear on the Identity Confirmation screen. [One Time Password Authentication for Expo ID] The validity period of my one-time password by email has expired. [Admission Tickets] How can I check the admission ticket I have purchased?