1. A method comprising: receiving data indicating a first engagement action associated with a content item, the first engagement action performed by a first user; determining a topic associated with the content item; determining a first topical reputation score related to the topic for the first user based on one or more second engagement actions performed by one or more second users associated with the content item; determining that first the topical reputation score of the first user satisfies a reputation threshold; unlocking the topic for the first user responsive to the determination that the first topical reputation score of the first user satisfies the reputation threshold; and responsive to unlocking the topic for the first user, providing the first user with an ability to curate another content item for the unlocked topic; receiving, from the first user, a management action including one of an approval and a rejection to include the another content item in the unlocked topic; and modifying a second topical reputation score related to the unlocked topic of another user based on the management action by the first user.