Verifying In App Purchase Receipt from Client

Question

I read (almost) all the answers on verifying in-app purchase, and actually I already implement it in a server-side fashion. But managing a server sometimes could be too much exp

Answer 1

I hack inapp cracker and discover a way to block it client side: the receipts and transaction IDs it creates have a predictable scheme that's easy to spot. I put all the details here: spot fake receipts client side update

hope this helps