Below please find links to archived Q&A discussion for the OAuth2 course.
Exercise 1.1: What is OAuth and why do I care?Exercise 1.2: Getting into the flow
Exercise 2.1: Getting out of the flowExercise 2.2: Tokens up closeExercise 2.3: Put the party in third party appsExercise 2.4: Application client keysExercise 2.5: Creating tokens for an application
Exercise 3.1: Scoped accessExercise 3.2: Checking the scopes on a tokenExercise 3.3: Checking the required scopes for an API methodExercise 3.4: Creating a scoped token
Exercise 4.1: Total recallExercise 4.2: End-to-end example