In War Tycoon, medals are a form of currency that can be used to buy certain gun skins and grips. They can also be used to unlock premium and rare skins of guns, jet skins, and vehicle unlockables, and even exchanged with other resources. Medals can be earned in several ways, including completing daily challenges, spinning the wheel every 24 hours, redeeming War Tycoon codes, making a transaction to purchase medals using Robux or the in-app purchase method, and completing quests and walkthroughs. Medals are also awarded as a reward for leveling up your faction. In summary, medals are used to purchase gun skins and grips, and they can be earned in various ways, including completing daily challenges and redeeming codes.