The search result will also include all notes related to participants who had the same nickname.So you can also take note for anonymous users (who don't have any consistent JID or occupant-id).You can differenciate them by comparing JID and occupant-id.
![Screenshot of a "{{% livechat_label new_poll %}}" form. The form contains several fields: question, duration, choices, …](/peertube-plugin-livechat/images/polls_form.png?classes=shadow,border&height=200px "Poll form")
This poll feature should not be considered as a reliable voting system.It is easy to cheat.There is no mechanism to prevent anonymous users to vote multiple times by just reloading the chat.Votes are never fully anonymous, someone having access to the server could see who voted for what choice.