hard20 pts · first answer countssecuritymobilebackend

Free gems from fake purchases

Players are getting premium currency through fake in-app purchase receipts. What is the correct design?

A.Send receipts to your own server, validate them with the Apple or Google store APIs, and grant currency from the server-side accountB.Check that the receipt string is not empty on the deviceC.Store the currency in PlayerPrefs with a checksumD.Hide the purchase code with an obfuscator

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