Please explain.

I own 212 CaiShen which I bought in mid April.
What is meant by "exchange"?  How?

Are they worthless now?  Dev, please elaborate.
Don't just tell me you destroyed 50 euros of my money.

What is your contingency plan for those of us who missed your games here?

my CAIx address: XtfXfEdahJ3tV4ZnK6atmDeRj4PPP1YdDv