Not only software agents should be on-chain ...
exactly! of course immediately have to think of the Three Laws from the "Handbook of Robotics, 56th Edition, 2058 A.D.": The First Law: A robot may not injure a human being or, through inaction, allow a human being to come to harm. The Second Law: A robot must obey the orders given it by human beings except where such orders would conflict with the First Law. The Third Law: A robot must protect its own existence as long as such protection does not conflict with the First or Second Law.