1. The alliance store consists of Store and Stock. (the names of each category inside the game)
  2. R4 and R5 members can purchase items from the stock using alliance coins to add them to the store so that alliance members can purchase them.
  3.  Alliance members can use their coins to buy items from the store. These coins are owned personally after each donation. 
  4.  You won't lose your alliance coins when changing the alliance.