Maybe, for the moment, stick to articles like this one: https://www.frommers.com/destinations/aruba/planning-a-trip/money
I am traveling at the moment as well and I thought I could choose the currency I pay with but apperently shops may only be allowed to have an account in 1 currency. In my case (Zanzibar) it has been US$ in tourist shops and hotels anyways mostly.
Edit: you may later contribute here