Values handshakes are a proposed form of trade between superintelligences. From The Hour I First Believed by Scott Alexander: > Suppose that humans make an AI which wants to convert the universe into paperclips. And suppose that aliens in the Andromeda Galaxy make an AI which wants to convert the universe into thumbtacks. > When they meet in the middle, they might be tempted to fight for the fate of the galaxy. But this has many disadvantages. First, there’s the usual risk of losing and bei...