Flutter in-app purchase receipt verification क्यों server-side? का basic meaning क्या है?

Flutter in-app purchase receipt verification क्यों server-side? का basic meaning क्या है? सही उत्तर: Client receipt/result can be manipulated; server verifies purchase with platform services. व्याख्या: Client receipt/result can be manipulated; server verifies purchase with platform services. यह इस प्रश्न के संदर्भ में सही उत्तर है। Flutter/Dart development में concept को समझने के साथ उसके lifecycle, constraints, error handling और practical usage को भी ध्यान में रखना चाहिए. Developer note: Flutter in-app purchase receipt verification क्यों server-side?