Black markets, also known as shadow, underground, or parallel economies, refer to illegal, untaxed, or unregulated exchanges of goods and services. Common terms include the informal sector, clandestine, or bootleg markets. Online, these operate on the dark web via platforms like the Silk Road, often using cryptocurrencies.
The literature on the black market has not established a common terminology and has instead offered many synonyms including subterranean, hidden, grey, shadow, informal, clandestine, illegal, unobserved, unreported, unrecorded, second, parallel, and black. There is no single underground economy; there are many.
Black markets, also known as shadow markets, emerge due to various economic, social, and legal factors. They refer to illegal or underground networks where goods, services, or activities are traded outside the boundaries of official regulations, taxation, and oversight.
It is referred to as black because of the unlawful nature of the business. It is considered an unlawful market because it involves the sale of illicit goods. It may also involve the sale of legal goods which are sold in a manner to evade taxes or other regulations.
The four main types of market structures in economics, ranging from most to least competitive, are Perfect Competition, Monopolistic Competition, Oligopoly, and Monopoly, each defined by the number of firms, product differentiation, and barriers to entry. These structures dictate the level of competition and influence how businesses set prices and interact within an economy.
Some black markets may exist accidentally, but others are intentionally hidden. Worldwide, there are dangerous and lesser-known black markets operating behind the shadows. Many are in places no one would have ever imagined, like the internet (dark web).
Silk Road, regarded as the first darknet market, was launched in 2011 and eventually shut down by the FBI in 2013. It was founded by Ross William Ulbricht, who was sentenced to a life in prison for his role in Silk Road. 1 He was pardoned on Jan 21, 2025 by President Donald Trump.
/blæk ˈmɑkɪt/ Other forms: black markets. A black market is buying and selling in a way that breaks the rules. Black markets include trade in illicit goods (like selling illegal drugs). But a business selling perfectly legal items or services without following the rules is also a black market.
Contraband means "illicit goods" and usually refers to stuff that's imported or exported illegally, like weapons and certain exotic pets (like tigers).
Other terms used to refer to the shadow economy include: the black economy, cash economy, underground economy or the cheating economy. 'Shadow economy' is now the preferred term to reflect the Organisation for Economic Co‑operation and Development's (OECD) definition of unreported or dishonest economic activity.
On the other hand, recent research from Frontier Economics underpinned the stark difference within the UK, revealing the black market as having around 2.1% of online stakes in the UK.
In 2021, Ulbricht's prosecutors and defense agreed that Ulbricht would relinquish any ownership of a newly discovered fund of 50,676 Bitcoin (worth nearly $5.35 billion in 2025) seized from a hacker in November 2021.
The dark web is known to have begun in 2000 with the release of Freenet, the thesis project of University of Edinburgh student Ian Clarke, who set out to create a "Distributed Decentralised Information Storage and Retrieval System." Clarke aimed to create a new way to anonymously communicate and share files online.
The English-language press coined the term black market to refer to illegal currency dealings during the 1930s, extending its meaning to cover illegal dealing in rationed goods during World War II.
In 2025, the dark web attracted an average of 3.2 million daily users, with the US now leading as the country with the highest number of Tor users, surpassing Germany since 2023. Today's cybercriminals spread their activities across multiple platforms, making them harder to track and shut down.
South Africa has emerged as the only African nation on UBS's 2025 list of the world's 50 richest countries, ranked by household wealth. With 37,400 millionaires, 102 centi-millionaires, and 5 billionaires, the country leads the continent's wealth map outpacing Nigeria, Egypt, Kenya, and Morocco combined.
BRICS is not attempting to replace the dollar entirely but rather reduce its preeminent position in global finance. While the dollar's liquidity and stability contribute to its current dominance, BRICS is already reshaping financial systems by expanding local currency trade and building alternative institutions.
Sources of black money income. The root cause for the increasing rate of black money in the country is the lack of strict punishments for the offenders. The criminals pay bribes to the tax authorities to hide their corrupt activities. Thus, they are rarely punished by the judge.