CCP4 wiki:Terms of Service
Upon request for a weltewiki account, an username and a valid email address have to be provided. Username and email address but no other personal data will be stored on our server. The username is required since only registered users are able to contribute to the wiki, the email address gives us the possibility to contact our users. Both will not be used for any other purpose and are kept only on our server. If you want your personal data be permanently deleted, please contact the administrators of this wiki.