Posts should be in Danish, Norwegian or Swedish (or sometimes English, see below for details). The reason that we use the strictest definition of Scandinavia and don't allow posts in Finnish or Icelandic is that we want all posts to be understandable by everyone. One of the main reasons for having this forum is to build a local community and if we would allow other languages we would simply get multiple communities in one forum. But that doesn't mean that all you awesome people from Finland and Iceland are totally banned here, because... Sometimes we allow posts in English. If a Finnish/Icelandic person need some help regarding decred. Also, people living in Scandinavia that only speak English but want to connect with Scandinavians are welcome to post in English. Advertisements and announcements of new products and services are generally not allowed unless they specifically target a Scandinavian audience. So, translating an announcement of a random altcoin to one of the Scandinavian languages is not enough, but announcing a new Decred exchange is totally fine. We have temporary taken and slightly modified the rules from the 'Scandinavian Posting guidelines' thread form Bitcoin Talk and it's author D.H.