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Digital assets and currencies

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

Finance

20,000 Colombian peso note

The 20,000 Colombian peso note ($20,000) is one of the notes in circulation in Colombia. It is about 143 × 66 millimeters and the predominant color is orange. The front features former Colombian president Alfonso López Michelsen and a sugar apple, while the reverse shows a sombrero vueltiao and the canals of La Mojana. The first series of 20,000 peso notes was issued from 1996 to 2016. T

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

Banking

Challenges in Islamic finance

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

Trading basics

Cultural capital

In sociology, cultural capital refers to the social assets of an individual—such as education, knowledge, style of speech, aesthetic preferences, and credentials—that can promote social mobility within a stratified society. Cultural capital functions as a relational resource within systems of exchange and social recognition, encompassing both material and symbolic goods that are consider

Finance

Financial astrology

Financial astrology (also known as business astrology, economic astrology, and/or astro-economics) is a pseudoscientific practice of relating the movements of celestial bodies to events in financial markets. The use of astrology in any context is not empirically based and its use in predicting financial markets is at plain odds with standard economic and financial theory.

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

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

Fiat currencies

Knut Wicksell

Johan Gustaf Knut Wicksell (December 20, 1851 – May 3, 1926) was a Swedish economist of the Stockholm school. He was professor at Uppsala University and Lund University.

Trading basics

Macromarketing

Macromarketing is an interdisciplinary field that studies marketing as a provisioning technology of society. It focuses on marketing-society interactions including such topics as marketing systems, aggregate consumer behavior, market regulation, social responsibility, justice and ethics in markets, and sustainable marketing. By comparison, "micromarketing" deals with how firms decide wha

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

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 (

Finance

Stochastic differential equation

A stochastic differential equation (SDE) is a differential equation in which one or more of the terms is a stochastic process, resulting in a solution which is also a stochastic process. SDEs have many applications throughout pure mathematics and are used to model various behaviours of stochastic models such as prices of listed company shares, random growth models or physical systems tha

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).

Fiat currencies

Tally stick

A tally stick (or simply a tally) was an ancient memory aid used to record and document numbers, quantities, and messages. Tally sticks first appear as animal bones carved with notches during the Upper Palaeolithic; a notable example is the Ishango Bone. Historical reference is made by Pliny the Elder (AD 23–79) about the best wood to use for tallies, and by Marco Polo (1254–1324) who me