Finally, the results of a bibliometric analysis can be influenced by the search terms used. The search terms should be narrow enough for the resulting data to reflect the research on a particular topic accurately. A further limitation of bibliometric analyses that rely on abstract databases such as Scopus or Google Scholar is that the coverage of these databases may need to be completed. These databases may include only some relevant papers, particularly those published in less well-known or less prestigious journals or languages other than English 86. This can lead to a biased view of the research landscape, as papers not included in the database will not be included in the analysis.

Motorcycle Crash Shows Bioethicist The Dark Side Of Quitting Opioids Alone
Over the course of his research, he visited two factories in China that make synthetic opioids and ship them to the U.S. or to Mexican drug cartels for distribution. For all of the money spent by police in these investigations, it’s fair to say that the net result from a user’s perspective is simply the inconvenience of a few searches, followed by registration at a new service. The dark web model endures because it offers great efficiencies to dealers and users. But it is hackers demanding ransom money, not police, that’s the main worry for those operating DNMs, says Patrick Shortis. “The biggest source of disruption to markets is currently coming from the ongoing distributed denial of service DDOS attacks that have knocked markets and forums offline intermittently over the last few months,” he says. Since the demise of Wall Street and Dream, two new markets, Empire and Nightmare – which both opened over a year ago – have grown rapidly as users have migrated over from closed sites.
- More than six years after the demise of Silk Road, the world’s first major drug cryptomarket, the dark web is still home to a thriving trade in illicit drugs.
- These sources are all journals and have the highest TC/TP (citations per paper) ratios in the table, with the International Journal of Drug Policy having a TC/TP of 38.3 and Forensic Science International having a TC/TP of 32.3.
- We also applied the MALLET topic modeling toolkit (package cc.mallet.topics MALLET’s class in JavaDoc API) on the same data set to predict the type of topic.
- Several potential research areas are related to the Darkweb, phishing, and cybercrime.
- It is well known that the community of Darkweb users is keen on keeping their identities, personal information, and locations secret.
Torzon Market

In addition to Empire Market’s more than 18,000 drug listings, another site called Nightmare Market now lists 28,000 drug products, along with the dark web’s usual assortment of stolen credit card numbers, counterfeits, and hacking tools. A new, Reddit-style forum site called Dread, hosted on a Tor hidden service, has already replaced the seized DeepDotWeb as a community hub, where users discuss which site to use when one is taken down by police or turns out to be run by scammers. Judging by that buzzing trade, there’s little hint that just the week before, global law enforcement announced the takedowns of two of the world’s largest dark-web drug sites, known as Wall Street Market and Valhalla. Or that the most popular market, called Dream, had taken itself offline at the end of last month, perhaps sensing law enforcement closing in.
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Lastly, the study identifies potential future research topics and provides a comprehensive overview highlighting under-explored areas that could inform future research. The illicit organ trade on dark web marketplaces operates in a shadowy network where desperation and exploitation intersect. Buyers, often facing long transplant waiting lists, turn to unregulated channels in search of life-saving procedures.
We trained the semantic comparison model using the traces of Reddit as the benign corpora and the traces of the anonymous marketplaces/forums as the underground corpora. Thus, we identified 58 opioid jargon used in the anonymous marketplaces and forums (Table 2). Combining opioid jargon with known opioid product names 25-27, we generated an opioid keyword data set consisting of 311 opioid keywords with 13 categories. We manually validated all keywords and the corresponding categories to guarantee their correctness. Our study used opioid keywords and jargons to recognize listings and forum traces related to underground opioid trading activities.
Monitoring these ‘clear net’ vendors is challenging and legitimacy is often difficult to assess due to the short lifespan of the websites and the use of proxy servers obfuscating the true location of vendor operations (Festinger et al., 2016). Recent blog posts from LegitScript have focused on “How Drugs Are Sold on the Dark Web” (Khalaf, 2018) reflecting a growing concern about these avenues for acquiring prescription drugs, and possible replacement of online pharmacy sources. While attention has focused on the nonmedical use of opioids (Haffajee & Frank, 2018; Martin, Cunliffe, Decary-Hetu, & Aldridge, 2018), there is an emerging recognition that use of other medication classes represents a major component of NMPDU. The European Drug Report 2018 identified the increasing use and availability of sedative drugs amongst young people as an area of particular concern, requiring further investigation, policy consideration and prevention efforts.
- This paper seeks to complement current studies widening the understanding of opioid supply chains in underground marketplaces using comprehensive, large-scale, longitudinal anonymous marketplace and forum data.
- An intriguing study 25 provides an overview of current knowledge on prodrug activities on the deep web for mental health and addiction professionals.
- This shows that while the dark web gets all the attention, it’s far from the internet’s biggest problem.
- These studies have examined the facilitative factors that enable Bitcoin-related crimes on the Darkweb, such as the anonymity of cryptocurrencies and the lack of regulation in certain jurisdictions 76.
- These are sites that can be found through the most popular browsers and include links to corporations, businesses, news organizations, political sites, social media platforms, blogs, online stores, and other frequently visited websites.
Dark Web Tools And Services
Most web users spend their time on the surface web which makes up only a small fraction (an estimated five percent) of the internet. The majority of the internet (an estimated 95 percent) exists within the deep web, unindexed by search engines like Google and Bing. The dark web lives within the deep web, and it requires specific software, configurations and authorization to access.
Dark Net Markets Have Proliferated Since Silk Road
A non-participant ethnographic qualitative study of prodrug websites on the surface web was conducted using search engines such as DuckDuckGo and Google. Four themes and 14 categories were generated and discussed, including information on accessing the deep web, the Darknet online drug trading sites, search engines, and cryptocurrencies. The paper is a systematic guide for addiction professionals on the deep web and online drug marketplaces.
23 Policy Recommendations

Since 2014, 14 new benzodiazepines have been reported to the EU Early Warning System, indicating substantial efforts towards illicit drug development within this drug class (European monitoring centre for drugs & drug addiction, 2018). In the USA, benzodiazepine prescription rates continue to increase (Bachhuber, Hennessy, Cunningham, & Starrels, 2016; Lembke, Papac, & Humphreys, 2018). Social media companies are under growing pressure to eradicate drug dealing on their platforms, says Ashly Fuller, a PhD candidate at University College London researching the sale and advertisement of illegal drugs to young people on social media. Data released by social media companies shows that millions of pieces of drug-related content are already taken down every year. (Facebook and Instagram took action against 9.3 million pieces of drug-related content last year, while Snapchat says it did so in 241,227 cases in the second half of 2023.) But these companies’ actions are sometimes indiscriminate.
As of last fall, there were nearly two dozen dark net drug markets of various sizes, according to a research paper by Meropi Tzanetakis of the University of Oslo and the University of Vienna. “The drug trade is moving to the digital space, online, because of its anonymity and its ease of use,” Lalande says. Liam buys only from Canadian drug vendors, fearing that importing heroin and meth across the border would put him at risk of investigation by the Canada Border Services Agency. The CBSA has the authority to open and inspect any package entering the country. For domestic mail, however, police must obtain a search warrant or have reasonable grounds to open packages. Dream boasts almost the same number of listings for other products, including items that purport to be designer clothes, counterfeit money and stolen online banking information.

Silk Road
For example, there might be varying types of heroin or fentanyl, but we could not subcategorize them due to the lack of precise ontology. Addressing this challenge requires deep domain knowledge and expertise, which is constantly evolving. Another limitation is pointed out in the paper that multiple online suppliers might belong to the same vendor. This problem might be addressed by studying the product overlapping patterns over time to merge suppliers, which might reveal more interesting hierarchical clustering patterns.

The prevalence of drugs on the dark web underscores the critical role these platforms play in facilitating illegal activities. The data collection and analysis steps are presented on the flowchart in Figure 1 and explained below. These 32 complete Hydra marketplace downloads were performed 2-3 times monthly. Thus, we could estimate the dynamics of market scene changes during a relatively extended period. All these conditions theoretically support the anonymity and safety of the business.
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The dataset encompassed 3045 individual sellers marketing 6721 unique products via 58,563 distinct postings, each representing specific quantities sold in different Russian regions during 2019. In the second stage, we collected 31 variables from official sources to compare officially collected data with darknet data about amounts and types of selling drugs in every 85 regions of Russia. The health-related data were obtained from official published sources—statistical yearbooks. Maps, diagrams, correlation matrixes, and applied observational statistical methods were used. But there’s more to the dark web than passwords and malware; there’s also a global trade in the most dangerous of recreational drugs.