In "The Ascent of Money: A Financial History of the World," Niall Ferguson explores the evolution of money and its pivotal role in civilization. He describes money not just as a medium of exchange but also as a unit of account and a store of value. This multifaceted nature of money allows it to function as a powerful tool that facilitates trade and investment across societies.

Ferguson highlights that money serves as a portable power, enabling individuals and institutions to exert influence and accumulate wealth. Throughout history, the development of various monetary systems has shaped economies and societies, illustrating how financial mechanisms are intertwined with human advancement.