This supports arguments from social scientists, Décary-Hétu and Giommoni in October 2016 after analytical review of the effectiveness of police crackdowns on cryptomarkets where they stated: Both MEGA and Hydra hidden services emphasize trusted vendor-buyer relationships before the market will facilitate the copyright-transaction and goods exchange. For example, on Hydra, https://cuwip.ucsd.edu/members/canvasmoat26/activity/1241070/