I opened up a Slack group for GeoCoin at
https://geocoin.slack.comif you are interested in GIS and GeoTechnologies and want to do more with it then just reading this thread, I suggest sending me a pm with your email address and I'll invite you.
PS. when Tobler shows up, he/she is more than welcome over there also.
I joined to the group , everyone with interest in GEO, we are waiting for U ...