Trade is an action that produces an increase in value (which is always subjective). People really do perform actions, so "trade doesn't exist" would be an incorrect statement. But it is not a particular item you can point to.

I don't think the path you are trying to walk makes any sense. An atom of gold exists even if I need some special tool to see or hold it. The tools we need to store & process information are not an indication that the saved information itself does not exist.