What if in each townie's role PM they got a phrase like
Today someone will likely use the word perponderance. This person is likely a confirmed pro-town player
One townie's PM would say:
Today you should try to use the word perponderance in a post. If you do something good will happen
The scum would not know the "code word" and thus be left in the dark about this character. And perhaps the character wouldn't even know they were confirmed either.
What do you think of that idea?