Anglais example sentences with "marketplaces"

Until it was taken down, AlphaBay was the largest of an estimated 30 to 50 illegal marketplaces that operated on the dark Web, generating twice as much revenue as Silk Road, said Nicolas Christin, a computer science professor and dark Web expert at Carnegie Mellon University in Pittsburgh.
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This research paper presents a research carried out to gain insights on the products and services sold within one of the largest marketplaces for drugs, fake ids and weapons on the Internet.
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