Abstract We start with role-based trust management (RBTM) and address some of the challenges associated with using RBTM in mobile ad hoc networks (MANETs). We then enhance RBTM with reputation systems (RSs). and propose a new hybrid trust management system (HTMS). In HTMS. https://www.bekindtopets.com/special-pick-Best-Shot-UltraMAX-Pro-Clarifying-Shampoo-save-big/