In consumer-to-consumer business, a consumer can enter a private offer on an electronic marketplace( EM) or other electronic platform and another, interested consumer can enter into a relationship with the supplier via this platform. The marketplace operator is not directly involved in the transaction; it simply provides the infrastructure for the transaction and receives fees for posting the offer or is involved in the transaction.
Typical C2C transactions are auctions and barter exchanges. Trading platforms include ciao.de and the online exchange platform e-bay. Furthermore, the exchange of experiences and opinions between customers and consumers takes place in discussion forums.