By type of monetization

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Commission from sales. The marketplace receives a percentage of each successful transaction. Most sites work according to this scheme (Aliexpress, Booking.com ) .
New clients. Sellers pay the marketplace for leads. Sellers and buyers must cooperate within the platform, otherwise they will be blocked by the platform. (YouDo, Kwork).
Paid advertising. This method is most often used by turkey consumer email list information marketplaces. They are paid for embedded advertising in free content (YouTube).
Additional functions. The platform is paid for advanced features: ad promotion, no ads, increased rating (YouTube, Spotify, Avito).
Posting ads. The marketplace charges a fee for adding new items or a place in a separate block (YouDo, Avito).


By type of participants
B2C (business-to-customer) — businesses sell to individuals. AliExpress, Wildberries, Airbnb operate on this model.
B2B (business– to –business) — business interacts with business. For example, Alibaba.com , Sdelki.ru.
C2C (customer–to–customer) — individuals buy from individuals. Examples of C2C marketplaces: BlaBlaCar, Avito.