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OAuth 2.0 is an industry-standard protocol for authorization. It allow users to give third-party applications access to their resources. We can see a typical example of OAuth 2.0 in action when a user tries to sign up for a third-party app using Google. OAuth 2.0 allows users to give the third-party applications access to resources, such as using their profile data on a social network platform, without needing to input their credentials on said application.


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