Every other currency (HP, ISO, Health Packs) can be obtained from the vault, how about adding CP as well? It can take the place of some of those Moonstone covers 
^SUPER SECOND THIS IDEA
Doubly so for removing Moonstone Covers! In fact can we have her as a super rare “you’ll almost never get her, so be excited when you do” 2*? 
Hey, check this out.. this was the very first thing i asked when CP were announced. Here is the response"
hoping this is part of what they are testing for January !
YES, why not !!! and reduce vault to 100 instead of 300.
and remove : 2* and all of them, we have enough places to get free 2* that nobody wants