Blockchain Based Electronic Marketplaces

Intriguing application idea.    Inevitable managing control?

Decentralized Blockchain-Based Electronic Marketplaces  By Hemang Subramanian ,   Communications of the ACM, Vol. 61 No. 1, Pages 78-84 .... 

Hemang Subramanian discusses "Decentralized Blockchain-based E-Marketplaces"  Video: https://vimeo.com/245228182

Abstract: 

E-commerce marketplaces—whether business-to-consumer (B2C) or business-to-business (B2B)—are examples of a two-sided market.6,19 Each side involves networks of participants. Network effects—the incremental value added by each new participant—play the dominating technological role in such markets. Over time, network effects inevitably yield a monopoly in which a single e-commerce firm manages the entire marketplace   .... "