VirtualStates
ThoughtStorms Wiki
(ReadWith) MetaVerse, EconomiesInVirtualPlaces
You can reproduce much of the legal infrastructure of a state in software.
If you do it on a BlockChain, things like legal contracts (and maybe money) can be as reliable as those of TheNationState that are backed up by courts and lawyers etc.
This encourages people, particularly libertarians, to dream of building their own virtual nations free of government regulation.