Is Amazon an intermediary?

Could you elaborate on the concept of Amazon being an intermediary? In the context of cryptocurrency and finance, how might Amazon potentially fulfill such a role? Does its role as a marketplace where buyers and sellers connect make it an intermediary in transactions? Or does it have a more nuanced role in the financial ecosystem that involves facilitating exchanges or managing assets in some capacity? Clarifying these points would help us better understand the implications of Amazon being an intermediary in the cryptocurrency and finance industry.