There are two available currencies: Studs and Crystals
Studs
Studs are used to upgrade units. You can earn them by winning battles, opening Scans, placing in the top three on the Leaderboard, and from daily rewards. They can also be obtained by earning rewards from completed missions and competing in events.
Crystals
Crystals can be used to purchase additional cards in the Card Shop and to unlock new champions. You can earn Crystals by winning them in Scans, and collecting them from Daily Rewards. They can also be obtained by earning rewards from completed missions and competing in events
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