The Legal Loopholes of Operating a Market like Abacus 
Surviving Scams on Abacus: A Buyer's Safety Guide 
The Rise of Abacus: A New Era in Darknet Commerce 
Abacus is a dark market that operates on the Darknet, an encrypted network accessible only through specialized software such as TOR. This anonymity allows users to trade a variety of illegal goods and services. 
https://abacuswebmarket.com