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Digital assets and currencies

Understand assets, networks and trading mechanics with sources you can check.

Banking

Bai Salam

Bai Salam (Arabic بيع سلم, more accurately transliterated as Bai us Salami) is an Islamic contract in which full payment is made in advance for specific goods (often agricultural products) to be delivered at a future date. It is necessary that the quality of the commodity intended to be purchased is fully specified leaving no ambiguity leading to dispute. Bai salam covers almost every

Finance

Bayt al-mal

Bayt al-mal (بيت المال) is an Arabic term that is translated as "House of money" or "House of wealth". Historically, it was a financial institution responsible for the administration of taxes in Islamic states; particularly in the early Islamic Caliphate, it functioned as something of a mix between a Central Bank and a Treasury. It was managed by the caliphs and sultans, in dealing with

Trading basics

Boots (company)

Boots UK Limited (formerly Boots the Chemists Limited) is a British health and beauty retailer and pharmacy chain that operates in the United Kingdom.

Trading basics

Capitalism and Islam

Islamic capitalism was active during the Islamic Golden Age and Arab Agricultural Revolution, where an early market economy and form of merchant capitalism took root between the 8th and 12th centuries. A vigorous monetary economy was based on a widely-circulated currency (the dinar) and the integration of monetary areas that were previously independent. Business techniques and forms of b

Banking

Challenges in Islamic finance

Challenges in Islamic finance are the difficulties in providing modern finance services without violation of sharia (Islamic law).

Finance

Computational finance

Computational finance is a branch of applied computer science that deals with problems of practical interest in finance. Some slightly different definitions are the study of data and algorithms currently used in finance and the mathematics of computer programs that realize financial models or systems.

Trading basics

Crack spread

Crack spread is a term used in the oil industry and futures trading for the differential between the price of crude oil and petroleum products extracted from it. The spread approximates the profit margin that an oil refinery can expect to make by "cracking" the long-chain hydrocarbons of crude oil into useful shorter-chain petroleum products.

Finance

David E. Shaw

David Elliot Shaw (born March 29, 1951) is an American billionaire, scientist, and founder of hedge fund D. E. Shaw & Co.. A former assistant professor in the computer science department at Columbia University, Shaw earned his fortune exploiting inefficiencies in financial markets with the help of early Internet networks and quantitative trading strategies. In 2001, Shaw turned to full-t

Networks

Drecom

Drecom Co., Ltd. (株式会社ドリコム, Kabushiki Gaisha Dorikomu) is a Japanese software, web, video game development and video game publishing company. Subsidiaries Drecom Media and DRE Novels publish light novels.

Trading basics

Environmental impact of bitcoin

The environmental impact of bitcoin has been characterized in the literature as significant, particularly due to its energy use, greenhouse gas emissions, and electronic waste. Bitcoin mining, the process by which bitcoins are created and transactions are finalized, is energy-consuming due to it requiring a large amount of compute and results in carbon emissions. According to the 2025 Ca

Trading basics

Factor analysis

Factor analysis is a statistical method used to describe variability among observed, correlated variables in terms of a potentially lower number of unobserved variables called factors. For example, it is possible that variations in six observed variables mainly reflect the variations in two unobserved (underlying) variables. Factor analysis searches for such joint variations in response

Payments & settlement

Hawala

Hawala or hewala (Arabic: حِوالة, romanized: Ḥawāla, lit. 'transfer, trust'), originating in India as havālā (Hindi: हवाला) or huṇḍī (Hindi: हुण्डी, romanized: Huṇḍī, Sanskrit: हुण्डिका, romanized: Huṇḍikā, lit. 'bill of exchange, draft, or promissory note'), also known as ḥavâleh in Persian, and xawala or xawilaad in Somali, is a popular and informal value transfer system based on the p

Trading basics

Ice trade

The ice trade, also known as the frozen water trade, was a 19th-century and early 20th-century industry, primarily catering to demand on the east coast of the United States. Ice was both harvested locally in the winter months and stored for later sale in the summer, and was also imported from polar regions where it could be sourced year round, with Norway becoming the largest exporter of

Banking

Islamic banking and finance

Islamic banking, Islamic finance (Arabic: مصرفية إسلامية masrifiyya 'islamia), or Sharia-compliant finance is banking or financing activity that complies with Sharia (Islamic law) and its practical application through the development of Islamic economics. Some of the modes of Islamic finance include mudarabah (profit-sharing and loss-bearing), wadiah (safekeeping), musharaka (joint ventu

Finance

Monte Carlo methods in finance

Monte Carlo methods are used in corporate finance and mathematical finance to value and analyze (complex) instruments, portfolios and investments by simulating the various sources of uncertainty affecting their value, and then determining the distribution of their value over the range of resultant outcomes. This is usually done by help of stochastic asset models. The advantage of Monte C

Finance

Mordor, Warsaw

Mordor, also known as Mordor on Domaniewska Street (Polish: Mordor na Domaniewskiej), is a colloquial name for a financial district in the Mokotów district of Warsaw, Poland, within north Służewiec and west Ksawerów. The area is mostly composed of office buildings, including the headquarters of numerous domestic companies, and branches of many multinational corporations. Emerging in the

Banking

Murābaḥa

Murābaḥa (Arabic: مرابحة, derived from ribh Arabic: ربح, meaning profit) was originally a term of fiqh (Islamic jurisprudence) for a sales contract where the buyer and seller agree on the markup (profit) or "cost-plus" price for the item(s) being sold. In recent decades it has become a term for a very common form of Islamic (i.e., "shariah-compliant") financing, where the price is marked

Assets

Pig butchering scam

A pig-butchering scam or romance baiting scam is a form of online relationship and investment fraud in which perpetrators cultivate fake romantic or social relationships with victims before persuading them to invest money, often in fraudulent cryptocurrency schemes. Such scams are common on social media and dating apps, and often involve catfishing, investment fraud, and romance scams.

Trading basics

Prices of chemical elements

This is a list of prices of chemical elements. Listed here are mainly average market prices for bulk trade of commodities. Data on elements' abundance in Earth's crust is added for comparison.

Banking

Riba

Riba (Arabic: ربا ,الربا، الربٰوة, ribā or al-ribā, IPA: [ˈrɪbæː]) is an Arabic word used in Islamic law and roughly translated as "usury": unjust, exploitative gains made in trade or business (especially banking). Riba is mentioned and condemned in several different verses in the Qur'an (3:130, 4:161, 30:39, and the commonly referenced 2:275-2:280). It is also mentioned in many hadith (

Trading basics

School choice

School choice is a term for education options that allow students and families to select alternatives to traditional public schools. It is the subject of fierce debate in various state legislatures across the United States.

Trading basics

Social media mining

Social media mining is the process of obtaining data from user-generated content on social media in order to extract actionable patterns, form conclusions about users, and act upon the information. Mining supports targeting advertising to users or academic research. The term is an analogy to the process of mining for minerals. Mining companies sift through raw ore to find the valuable mi

Finance

Stochastic partial differential equation

In mathematics, stochastic partial differential equations (SPDEs) are a generalization of partial differential equations via random force terms and coefficients, in the same way ordinary stochastic differential equations generalize ordinary differential equations.

Banking

Sukuk

Sukuk (Arabic: صكوك, romanized: ṣukūk; plural of Arabic: صك, romanized: ṣakk, lit. 'legal instrument, deed, cheque') is the Arabic name for financial certificates, also commonly referred to as "sharia compliant" bonds.

Banking

Takaful

Takaful (Arabic: التكافل, sometimes translated as "solidarity" or mutual guarantee) is a co-operative system of reimbursement or repayment in case of loss, organized as an Islamic or sharia-compliant alternative to conventional insurance, which contains riba (usury) and gharar (excessive uncertainty).

Banking

Warburg family

The Warburg family is a prominent German and American banking family. They are noted for their varied accomplishments in biochemistry, botany, political activism, economics, investment banking, law, physics, classical music, art history, pharmacology, physiology, finance, private equity and philanthropy.