IF it's possible to program (which I think it is—hopefully). A machine that scans an item after dropping on it, to check whether it's duped—instantly a red no or a green yes shows up once an item is dropped. While this wouldn't be used too much, it would certainly be incredibly and I mean incredibly useful in case of an emergency (such as THIS one—the annoying 2020 WOTD Trophy dupe that is preventing me from selling mine). Oh, and I do suggest for it to use some sort of scanning method that would be 100% impossible to bypass.