Before revision:  In this paper we study the following information disclosure problem in a two-sided market: which sellers should the platform allow to participate  and how much of its available information about participant sellers' quality should the platform share with buyers to maximize its own revenue.
After revision:  In this paper we study the following information disclosure problem in a two-sided markets: If a platform wants to maximize revenue, which sellers should the platform allow to participate and how much of its available information about participant sellers' quality should the platform share with buyers to maximize its own revenue.