body: Assuming user *A* (in country *I*) sells stolen virtual accounts to the user *B* (in country *II*) on the [darknet market](https://en.wikipedia.org/wiki/Darknet_market) using service owned by user *C* (in country *III*) which is hosted on the web server (hosted in another country *IV*) . Also assuming this activity is illegal in all party's countries (not to mention communication is [onion routed](https://en.wikipedia.org/wiki/Onion_routing) through several other countries), no physical postage is involved and hosting company doesn't know about illegal activity on their server.
  
  
  Who's breaking the law, user *A* (seller), user *B* (buyer) or the owner of the illegal service - user *C* (which is in different country than his service is hosted)? Or all of them, but in different ways (different paragraphs)?
  
  
  
title: Which country's laws apply to buying/selling illegal items? Buyer, seller or owner of the service?