“Reputation in AlphaBay: the Effect of Forum Discussions on the Business Success of Cryptomarket Sellers”, Larissa van Waardenberg2021-06-14 (; backlinks)⁠:

Since the discovery of cryptomarkets, scholars have marvelled at the success of these online marketplaces for illicit items (Norbutas et al 2020a; Przepiorka et al 2017). Reputation is often quoted as the primary reason that trust and mutual cooperation can emerge, given the sub-legal context (Huurne et al 2018). While the reputation system present within the cryptomarket itself has been trialed-and-tested as a facilitator of trust, discussion forums are scarcely examined, despite growing evidence that these threads fulfil a similar function (Bancroft & Reid2017).

This paper uses a subset of data accumulated by Macanovic & Przepiorka2021 to explore the effects of discussion forums on the market outcomes of vendors within the AlphaBay cryptomarket.

This subset contains a sample of 1,655 drug items from 555 sellers. Combining several multivariate models, it is consistently found that:

  1. an integral component of almost every cryptomarket’s reputation system, namely customer feedback, does not have a substantial effect on the business success of vendors active within the AlphaBay cryptomarket, whereas

  2. discussion forums and

  3. other indicators of seller reputation do.

Limitations and recommendations for future research are discussed.

[Keywords: AlphaBay, cryptomarkets, darknet marketplaces, reputation system, discussion forums, trust, cooperation, business success, economic sociology]