What does C2C (consumer-to-consumer) mean?

C2C is the abbreviation for consumer-to-consumer. This is a business model which, unlike B2B (business-to-business) or B2C (business-to-consumer), refers to the business relationship between two private individuals. Possible areas of application in which C2C is operated include e-commerce platforms such as eBay or Shpock. In addition, basically every ordinary rating portal is based on a consumer-to-consumer model.