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Digital assets and currencies

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

Finance

Remortgage

A remortgage (known as refinancing in the United States) is the process of paying off one mortgage with the proceeds from a new mortgage using the same property as security. The term is mainly used commercially in the United Kingdom, though what it describes is not unique to any one country. Often the purpose of switching is to secure a more favorable interest rate from a different lende

Securities & exchanges

Renewable Energy Derivative

A renewable energy derivative is based on a new method of securitization, which is a structured finance process that pools and repackages cash-flow-producing financial assets into securities which are then sold to investors. The term "securitization" is derived from the fact that securities are used to obtain funds from investors.

Trading basics

Renting

Renting, also known as hiring or letting, is an agreement where a payment is made for the use of a good, service or property owned by another over a fixed period of time. Typically a written agreement is signed to establish the roles and expectations of both the tenant and landlord. There are many different types; a rental agreement tends to refer to short-term rental, whereas lease ref

Trading basics

Retail marketing

Once the strategic plan is in place, retail managers turn to the more managerial aspects of planning. A retail mix is devised for the purpose of coordinating day-to-day tactical decisions. The retail marketing mix typically consists of six broad decision layers including product decisions, place decisions, promotion, price, personnel and presentation (also known as physical evidence). Th

Finance

Return on capital

Return on capital (ROC), or return on invested capital (ROIC), is a ratio used in finance, valuation and accounting, as a measure of the profitability and value-creating potential of companies relative to the amount of capital invested by shareholders and other debtholders. It indicates how effective a company is at turning capital into profits.

Finance

Return on equity

The return on equity (ROE) is a measure of the profitability of a business in relation to its equity;

Finance

Return on investment

Return on investment (ROI) or return on costs (ROC) is the ratio between net income or profit to investment (costs resulting from an investment of some resources). A high ROI means the investment's gains compare favorably to its cost. As a performance measure, ROI is used to evaluate the efficiency of an investment or to compare the efficiencies of several different investments. In econo

Payments & settlement

RioCard

The RioCard (Bilhete Único) is a smartcard system used in the transport system of Rio de Janeiro state, Brazil. The card is contactless and uses MIFARE technology. It is a form of electronic payment produced and distributed by the Fetranspor company, in cooperation with Itaú bank. Its installation was seen as strengthening Brazil's connection with the Open Standard for Public Transport

Securities & exchanges

SABR volatility model

In mathematical finance, the SABR model is a stochastic volatility model, which attempts to capture the volatility smile in derivatives markets. The name stands for "stochastic alpha, beta, rho", referring to the parameters of the model. The SABR model is widely used by practitioners in the financial industry, especially in the interest rate derivative markets. It was developed by Patric

Securities & exchanges

Securities fraud

Securities fraud, also known as stock fraud and investment fraud, is a deceptive practice in the stock or commodities markets that induces investors to make purchase or sale decisions on the basis of false information. The setups are generally made to result in monetary gain for the deceivers, and generally result in unfair monetary losses for the investors. They are generally violating

Securities & exchanges

Securities industry in China

Securities industry in China is an article on the securities industry in mainland China.

Fiat currencies

Skrill

Skrill is part of Paysafe Limited, a global payments platform. It is one of Paysafe's digital wallet brands and was established in 2001 to offer multiple online payment and money transfer services. The company facilitates multiple payment options including card payments, bank transfers and local payment methods. The funds in a Skrill account can then be used to pay merchants and other S

Finance

Służewiec

Służewiec (Polish: [swuˈʐɛ.vjɛt͡s]) is a neighbourhood, and a City Information System area, in Warsaw, Poland, within the Mokotów district. It is a mixed high-rise area with residential and office buildings, with a population estimated at around 31,000 in 2025. Together with the nearby neighbourhood of Ksawerów, its portion forms a financial district, colloquially referred to as Mordor.

Finance

Social media use in the financial services sector

Social media in the financial services sector refers to the use of social media by the financial services sector to promote and distribute financial services. Social media is used in various aspects of the financial industry including customer service, marketing, and product development. It has enabled financial institutions to extend their reach through direct and real-time communicatio

Finance

Sovereign wealth fund

A sovereign wealth fund (SWF), or sovereign investment fund, is a state-owned investment fund that invests in real and financial assets such as stocks, bonds, real estate, precious metals, or in alternative investments such as private equity funds or hedge funds. Sovereign wealth funds invest globally. Most SWFs are funded by revenues from commodity exports or from foreign exchange reser

Payments & settlement

Speedpass

Speedpass was a keychain radio-frequency identification (RFID) device introduced in 1997 by Mobil (which merged with Exxon to become ExxonMobil in 1999) for electronic payment. It was originally developed by Verifone. By 2004, more than seven million people possessed Speedpass tags, which could be used at approximately 10,000 Exxon, Mobil and Esso gas stations worldwide.

Trading basics

Startup company

A startup or start-up is a company or project typically undertaken by an entrepreneur to seek, develop, and validate a scalable business model. While entrepreneurship includes all new businesses including self-employment and businesses that do not intend to go public, startups are new businesses that intend to grow large beyond the solo-founder. At the early stages, startups face signifi

Finance

Steyler Bank

The Steyler Bank is a German ethical-ecological bank using Christian finance principles that following the Steyler Missionare. It was founded in 1964 in Sankt Augustin, where it still has its headquarters, and creates funds from an ethical point of view. The Steyler Bank also has a branch in Austria.

Payments & settlement

SWIFT

The Society for Worldwide Interbank Financial Telecommunication (SWIFT), legally S.W.I.F.T. SC, is a cooperative established in 1973 in Belgium (French: Société Coopérative) and owned by the banks and other member firms that use its service. SWIFT provides the main messaging network through which international payments are initiated. It also sells software and services to financial insti

Payments & settlement

Toast, Inc.

Toast, Inc. is an American cloud-based restaurant management software company based in Boston, Massachusetts. The company provides an all-in-one point of sale (POS) system built on the Android operating system.

Trading basics

Topstep

Topstep is a trader education and fintech enterprise, headquartered in Chicago, Illinois, active in more than 170 countries worldwide and founded by Michael Patak. It specializes in evaluating the performance of day traders through real-time simulated trading accounts. Originally founded as TopstepTrader, the company rebranded as Topstep in 2020 and was the first company to run a large

Stablecoins

USD1: Brand, Token, and Reserve Information

USD1 is a US dollar stablecoin associated with the World Liberty Financial brand. This article introduces its positioning, mechanism, verification checklist, and common misconceptions.

Securities & exchanges

Value investing

Value investing is an investment paradigm that involves buying securities that appear underpriced by some form of fundamental analysis. Modern value investing derives from the investment philosophy taught by Benjamin Graham and David Dodd at Columbia Business School starting in 1928 and subsequently developed in their 1934 text Security Analysis.

Assets

WhopperCoin

WhopperCoin was a cryptocurrency launched by the Russian branch of Burger King as a loyalty program in the summer of 2017. It was primarily notable for being the first issuance of branded cryptocurrency by a major company and the first form of loyalty points that could be traded freely; the BBC noted that Burger King was the "first major corporate brand to issue its own crypto-cash", wit