Besides Idle Cash and Super Cash, there are several types of currency used to complete different tasks, unlock new levels, and purchase Skills within the Idle Miner Tycoon world:

• Cash: The money you earn on the first continent (Grass Continent).
• Ice Cash: The money you earn on the second island (Ice Continent). 
• Fire Cash: The money you earn on the third continent (Fire Continent).
• Dawn Cash: The money you earn on the fourth continent (Dawn Continent). 
• Dusk Cash: The money you earn on the fifth continent (Dusk Continent).
• Ancient Cash: The money you earn on the sixth continent (Ancient Continent). 
• Lost Desert Cash: The money you earn on the seventh continent (Lost Desert Continent).
• Frontier Credits: The money you earn/use in the time-limited Frontier Mine events.