the currency of both　… の意味は？

Culture is the location of values, and the study of cultures shows how values vary from one society to another, or from one historical moment to the next . But culture does not exist in the abstract. On the contrary, it is inscribed in the paintings, operas, fashions, and shopping lists which are the currency of both aesthetic and everyday exchange.

「美意識と日常の交換の通貨」か「美意識と日常との交換通過」どちらで訳すべきでしょうか？