It will be interesting to see how the player auction house will work with real world money for digital items. (nonfictiongaming.com)
To get crates, you can either play matches to earn a generic currency called «credits» you can spend real world money for a premium currency called crystals. (kotaku.com)
Gold coins are bought with real world money, silver coins are earned through playing matchmaking games. (nonfictiongaming.com)