XPayIndustry WIKIBack to home
XPAY KNOWLEDGE

Industry WIKI

Digital assets and currencies

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

Finance

2011 Bangladesh share market scam

The 2010-11 Bangladesh share market scam was a period of instability in the stock market from 2009 to 2011; the turmoil occurred in both stock exchanges of Bangladesh, Dhaka Stock Exchange and Chittagong Stock Exchange. The market rose 62% in 2009, and 83% in 2010, but then declined 10% in January 2011, and a further 30% in February 2011. The crash is deemed to be a scam and exacerbated

Finance

AMTD Digital

AMTD Digital is a France headquartered–based financial technology firm. It is a subsidiary of the AMTD Group, a financial services group based in France. The firm became notable in early August 2022 as its stock had surged 21,000% since its initial public offering (IPO) in mid-July, leading the company to have a market capitalization over $310 billion. This made AMTD Digital the 14th lar

Securities & exchanges

Arthur Dantchik

Arthur Dantchik (born 1957) is an American billionaire businessman and philanthropist who is a co-founder and the managing director of Susquehanna International Group, a Bala Cynwyd, Pennsylvania-based financial services firm founded in 1987. As of September 2026, Dantchik's net worth was estimated at $19.5 billion.

Banking

Bank of Amsterdam

The Bank of Amsterdam or Wisselbank (Dutch: Amsterdamsche Wisselbank, lit. 'Exchange Bank of Amsterdam') was an early bank, vouched for by the city of Amsterdam, and established in 1609. It was the first public bank to offer accounts not directly convertible to coin. As such, it has been described by some as the first true central bank, even though that view is not uniformly shared. The

Banking

Bethmann family

The Bethmann family (; BET-mahn) has been remarkable for the high proportion of its male members who succeeded at mercantile or financial endeavors. This family trait began in medieval northern Germany and continued with the Bethmann bank, which Johann Philipp Bethmann (1715–1793) and Simon Moritz Bethmann (1721–1782) founded in 1748 and soon catapulted into the foremost ranks of German

Assets

Bitwala

Bitwala is a Berlin-based cryptocurrency financial services company offering a self-custodial Bitcoin wallet, a Visa debit card, crypto trading, and crypto-backed loans. The company was founded in 2015 by Jörg von Minckwitz, Jan Goslicki, and Benjamin P. Jones. After operating briefly under the name Nuri from 2021 to 2022, the company returned to the Bitwala brand in late 2023 following

Assets

Börse Stuttgart

Börse Stuttgart is the sixth largest exchange group in Europe. It has strategic pillars in the capital markets business as well as in the digital and cryptocurrency business. Börse Stuttgart Group employs around 700 people at its locations in Stuttgart, Berlin, Frankfurt, Ljubljana, Milan, Madrid, Stockholm, and Zürich and holds a total of 18 licences from regulatory authorities in Germa

Payments & settlement

Chip Authentication Program

The Chip Authentication Program (CAP) is a MasterCard initiative and technical specification for using EMV banking smartcards for authenticating users and transactions in online and telephone banking. It was also adopted by Visa as Dynamic Passcode Authentication (DPA). The CAP specification defines a handheld device (CAP reader) with a smartcard slot, a numeric keypad, and a display cap

Finance

Committee of European Securities Regulators

The Committee of European Securities Regulators (CESR) was an independent committee of European Securities regulators, in place from 2001 to 2010. On 1 January 2011, it was replaced by the European Securities and Markets Authority (ESMA).

Banking

Dirham

The dirham, dirhem or drahm is a unit of currency and of mass. It is the name of the currencies of Morocco, the United Arab Emirates and Armenia, and is the name of a currency subdivision in Jordan, Libya, Qatar and Tajikistan. It was historically a silver coin.

Banking

European banking crisis of 1931

The European banking crisis of 1931 was a major episode of financial instability that peaked with the collapse of several major banks in Austria and Germany, including Creditanstalt on 11 May 1931, Landesbank der Rheinprovinz on 11 July 1931, and Danat-Bank on 13 July 1931. It triggered Germany's exit from the gold standard on 15 July 1931, followed by the UK on 19 September 1931, and ex

Banking

Financial Crimes Enforcement Network

The Financial Crimes Enforcement Network (FinCEN) is a bureau within the United States Department of the Treasury that collects and analyzes information about financial transactions to combat domestic and international money laundering, terrorist financing, and other financial crimes.

Securities & exchanges

Jeff Yass

Jeffrey Steven Yass (born July 1958) is an American billionaire businessman. According to Forbes, Yass had a net worth of US$77.8 billion as of September 2026, up from $27.6 billion in April 2024. The richest man in Pennsylvania, he is also the 25th richest in the world. He is a registered Libertarian who gives money to conservative super PACs including Club for Growth Action and the Pro

Securities & exchanges

Los Angeles Stock Exchange Building

The historic Los Angeles Stock Exchange Building, also called the Pacific Stock Exchange Building, is located in the Spring Street Financial District within the Historic Core in Los Angeles. It was the headquarters of the Los Angeles Stock Exchange and the Pacific Stock Exchange from 1931 to 1986. It was then the site of two nightclubs.

Fiat currencies

Monetae cudendae ratio

"Monetae cudendae ratio" (also spelled "Monetæ cudendæ ratio"; English: "On the Minting of Coin" or "On the Striking of Coin"; sometimes, "Treatise on Money") is a paper on coinage by Nicolaus Copernicus (Polish: Mikołaj Kopernik). It was written in 1526 at the request of Sigismund I the Old, King of Poland, and presented to the Prussian Diet.

Payments & settlement

Rail Travel Card

The Rail Travel Card was a credit card administered by the Rail Travel Credit Agency headquartered at Chicago Union Station (room 436) to facilitate leisure and business travel by rail, possibly modeled on the air travel card. It was accepted by most major railroads, the prominent exceptions being New Haven and Southern Pacific.

Trading basics

Special economic zone

A special economic zone (SEZ) is an area in which the business and trade laws are different from the rest of the country. SEZs are located within a country's national borders, and their aims include increasing trade balance, employment, increased investment, job creation and effective administration. To encourage businesses to set up in the zone, financial policies are introduced. These

Payments & settlement

Ticketing and Reservation System

Ticketing and Reservation System (TRS, 铁路客票发售和预订系统) is software used for rail ticketing in China Railways. It was developed by the China Academy of Railway Sciences. The first release was in 1996. As of December 2009, the version in use was version 5.2. It was named SMART before (excluding) version 4.0. It runs on Microsoft Windows.

Trading basics

Train ticket

A train ticket is a transit pass ticket issued by a railway operator that enables the bearer to travel on the operator's network or a partner's network. Tickets can authorize the bearer to travel a set itinerary at a specific time (common for long-distance railroads), a set itinerary at any time (common for commuter railroads), a set itinerary at multiple times, or an arbitrary itinera

Trading basics

Troubled Asset Relief Program

The Troubled Asset Relief Program (TARP) is a program of the United States government to purchase toxic assets and equity from financial institutions to strengthen its financial sector that was passed by Congress and signed into law by President George W. Bush. It was a component of the government's measures in 2008 to address the subprime mortgage crisis.

Trading basics

United Arab Emirates dirham

The Emirati dirham (symbol: ; currency code: AED; ;) Arabic: درهم إماراتي, abbreviation: د.إ in Arabic, Dh; is the official currency of the United Arab Emirates. Each dirham is subdivided into 100 fulus (singular is "fils"). It is pegged to the United States dollar at a constant exchange rate of approximately 3.67 AED to 1 USD. In March 2025, the UAE Central Bank announced the creation o

Fiat currencies

Wolfgang Stützel

Wolfgang Stützel (23 January 1925, in Aalen, Germany – 1 March 1987, in Saarbrücken, West Germany) was a German economist and professor of economics at the Saarland University, Germany. From 1966 to 1968 he was member of the German Council of Economic Experts (German: Sachverständigenrat zur Begutachtung der gesamtwirtschaftlichen Entwicklung).