I just want to know how to get gold coins in Diplomacy is Not an Option? I looked arround in the game but it seems that there is no gold mine or something like this. The game itself is awesome. I've started to play it a few hours ago. It seems like gold is very important for the high tech updated.
I had the same question a few days ago and I was able to get solution. In DiNaO you can get gold in this two ways:
Gold by trading: