So here is the interesting part. The physical aspect of money is really just a static representation: a coin or bill, a few coordinated bits. Producing those in

So here is the interesting part. The physical aspect of money is really just a static representation: a coin or bill, a few coordinated bits. Producing those involves technology, moving them around also. How do you distinguish trade that involves money from the money itself? What is it about money that is a technology? The fact that people give it a certain status is inherently social. It has no utility except in transfer from one person to another, giving it to your pet fish is meaningless to the fish and burning it for fuel utilizes it quite differently.