There are different ways to obtain coins in Royal Kingdom. These ways are:

• Opening District Chest
• With the remaining moves at the end of all levels
• With the remaining moves at the end of all rounds in the Champions Arena
• From events like Champions Arena, Electro Blitz, Diamond Rush, Grand Tournament, and Kingdom Pass
• Purchasing coins from the Shop

You can use your coins to:

• Buy extra lives
• Buy extra moves
• Buy boosters