What are the different types of chests and how do I unlock them?

In Clash Royale, there are several types of chests that offer unique rewards and can be unlocked in different ways. The Silver Chest, which takes 3 hours to unlock, is the most common chest and can be obtained by winning battles. The Golden Chest, rewarding with better loot, takes 8 hours to unlock and can be acquired through victorious battles as well. The Giant Chest is larger and contains more cards and takes 12 hours to unlock. The Magical Chest, corresponding to 12-hour unlocking time, grants more valuable cards and is obtained through battles or the shop. Moreover, the Epic Chest guarantees epic cards and can be purchased in the shop. Lastly, the Legendary Chest carries a chance for legendary cards and can be won in battles or bought from the shop. Keep battling, winning, and opening chests to upgrade your card collection and progress in the game!