Weinersmith, who is best known for his webcomic Saturday Morning Breakfast Cereal, describes the polystate as a geopolitical entity in which multiple overlapping states exist — but each “state” consists of citizens who have agreed to the laws of a single non-geographic state; typical geographically-bound nations, or traditional “geostates”, would be replaced by “polystates”, which are collections of “anthrostates”.
Source: wiktionary