Yeah card or bank account para maka withdraw; Mas okay if hindi ka gumamit ng facebook as registration since, madaming trackers and facebook; especially if ginamit mo sya once sa facebook messenger and such since nakukuha din data ng contacts mo, images and etc. Check mo yung data na nakuha ng facebook and download mo yung archive para makita mo sinasabi ko; mostly naka .json files yun and yung iba naka encode.