Security레진엔터테인먼트interview report
Verifying purchases
A webtoon app unlocks paid episodes through in-app purchase. What's wrong with a design where the client saves a "purchased" flag in UserDefaults after a successful payment and unlocks from that?
Verifying purchases
A webtoon app unlocks paid episodes through in-app purchase. What's wrong with a design where the client saves a "purchased" flag in UserDefaults after a successful payment and unlocks from that?