There were 4 variants of mines in the game in the first year, but they removed the mine launchers in 2004 from the game so you canât launch them anymore, but the mines still exist as well as the blueprints.
They were usable in highsec aswell. I trained the launcher back then to test it. You placed a mine anywhere and it was static and invisible to the target.
Problem was that you werenât really able to predict who the target would be and when. I placed it just for testing near a gate and as nothing really happened i docked up. Then i went to mining and had almost forgotten about the mine when suddenly Concord arrived and ended my mining ship in the belt, because elsewhere some unlucky guy flew against the mine.