When registering a free student account by invitation from a teacher, we ask for your first name, last initial, and optional email address for your teacher to manage their students.When registering a free home account, we ask for your email address, for authentication, and your birthdate (to ensure you are old enough to consent).
point updated without comment
Previous Title: You must provide your legal name, pseudonyms are not allowed
Updated Title: You are not allowed to use pseudonyms, as trust and transparency between users regarding their identities is relevant to the service