If you get scammed because you trusted the other player, there can be nothing done. Scamming is bad, but it is everyone owns business to care for their items.
If you fear getting scammed but still want to finish a deal, ask for game sages or gms to help you, they will do so Hacks:
If your account got hacked and cleaned of your items, your goods cannot be restored. Please think twice even about giving friends your login data. We advice you not to choose passwords or logins like asd 123 or anything. By doing so your account will be safe.
Still you can feel free to ask any gs or gm about your concern, they may decide different about your individual case.