[celticninja]

Dark Web reviews are linked to purchases. you can't just had a load of fake reviews without completing a transaction which means you have to pay a fee to the darknet site. So it is possible but it can be expensive, the easy option is to run a legitimate service and then at some point you could just start taking people's money and not providing the service. Of course this has a limited shelf life, because new reviews are going to be a positive