How Does Freshpaint Identify Users?
By default, Freshpaint assigns every user a randomly generated id and stores that in a cookie. This id is called either the user's anonymous id or device id. You can also use the Freshpaint identify functionality add your own id to a user.
After you assign an id to a user, Freshpaint and all downstream destinations will use that identifier to tie events performed by that user together, even if those events were performed on different devices.