Section 2. USER ACCOUNTS OF MEMBERS. All applicants for contributing or volunteer active membership shall maintain a user account on one or several Wikimedia projects (i.e. Wikipedia of any language, Wikibooks, etc.), complete and sign the form of application provided by the Foundation on it’s web site and submit the application the Secretary along with payment of the year’s membership dues, if applicable, through such web site or by mail. Such application shall include an agreement by the applicant to abide by the Foundation's Code of Ethics, submission standards and other policies as are time to time adopted or modified by the Board of Trustees.
Here are the following cases as regards participants
* participant using his real name as a user name (example Tim Starling) * participant using a pseudonyme as a user name, but whose real name is displayed on his user page or is generally known per mailing list (example Cimon) * participant using a pseudonyme as a user name, but whose real name is known only from a limited number of participants (I will avoid putting an example here) * participant using a pseudonyme as a user name, and whose real name is totally unknown of * participant per ip
Which ones may be members ?