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Digital assets and currencies

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

Fiat currencies

Bank reserves

Bank reserves are a commercial bank's cash holdings physically held by the bank, and deposits held in the bank's account with the central bank. In most countries, the central bank may set minimum reserve requirements that mandate commercial banks under their purview to hold cash or deposits at the central bank equivalent to at least a prescribed percentage of their liabilities, such as c

Banking

Bank transaction tax

A bank transaction tax is a tax levied on debit (and/or credit) entries on bank accounts. In 1989, at the Buenos Aires meetings of the International Institute of Public Finance, University of Wisconsin–Madison Professor of Economics Edgar L. Feige proposed extending the tax reform ideas of John Maynard Keynes, James Tobin and Lawrence Summers, to their logical conclusion, namely to tax a

Securities & exchanges

Beneficial ownership

In domestic and international commercial law, a beneficial owner is a natural person (or persons) who ultimately owns or controls an interest in a legal entity or arrangement, such as a company, trust, or foundation. Legal owners (i.e. owners of record), commonly described as registered owners, may hold those interests as beneficial owners or for the benefit of someone else, in which cas

Payments & settlement

Central Electronic System of Payments

The Central Electronic System of Payments (CESOP) regime is an automatic exchange of information regime being introduced in the European Union from 1 January 2024. The rules were introduced by Council Directive 2020/284, amending the EU's Value-added tax Directive.

Payments & settlement

Electronic benefit transfer

Electronic benefit transfer (EBT) is an electronic system used in the United States that allows state welfare departments to issue benefits via a magnetically encoded payment card. It reached nationwide operations in 2004.

Securities & exchanges

Green bond

A green bond is a fixed-income financial instrument (bond) which is used to fund projects that have positive environmental benefits. When referring to climate change mitigation projects they are also known as climate bonds. Green bonds follow the Green Bond Principles stated by the International Capital Market Association (ICMA), and the proceeds from the issuance of which are to be used

Payments & settlement

Hundi

A hundi or hundee (Hindi: हुण्डी, romanized: Huṇḍī, Sanskrit: हुण्डिका, romanized: Huṇḍikā, lit. 'bill of exchange, draft, or promissory note') is a financial instrument that was developed in Medieval India for use in trade and credit transactions. Hundis are used as a form of remittance instrument to transfer money from place to place, as a form of credit instrument or IOU to borrow mon

Securities & exchanges

International Swaps and Derivatives Association

The International Swaps and Derivatives Association (ISDA ) is a trade organization of participants in the market for over-the-counter derivatives. It is headquartered in New York City.

Securities & exchanges

Kalshi

Kalshi Inc. is a prediction market platform based in Manhattan, New York City, that launched in July 2021. The platform is used primarily for sports betting, which constitutes more than 90% of site activity and 89% of revenue in 2025. Analysts describe activity on the platform as "heavily tied to the sports calendar". Individuals can place bets on other future outcomes, including economi

Payments & settlement

Liberty Reserve

Liberty Reserve was a Costa Rica-based centralized digital currency service that billed itself as the "oldest, safest and most popular payment processor, serving millions all around a world". Liberty Reserve was conceived as a "PayPal for the unbanked," allowing the 2.5 billion people without bank accounts or credit histories to participate in the modern economy. The site had over one mi

Finance

List of business and finance abbreviations

This is a list of abbreviations used in a business or financial context.

Payments & settlement

Money order

A money order is a directive to pay a pre-specified amount of money from prepaid funds, making it a more trusted method of payment than a cheque.

Payments & settlement

Negotiable instrument

A negotiable instrument is a document guaranteeing the payment of a specific amount of money, either on demand, or at a set time, whose payer is usually named on the document. More specifically, it is a document contemplated by or consisting of a contract, which promises the payment of money without condition, which may be paid either on demand or at a future date. The term has different

Finance

Pakistan Crypto Council

Pakistan Crypto Council (PCC) is a Pakistani regulatory body established to develop policy, infrastructure and regulation for blockchain technology and digital assets within Pakistan. It operates under the Ministry of Finance with input from the State Bank of Pakistan (SBP), Securities and Exchange Commission of Pakistan (SECP), and other federal agencies.

Finance

Petrodollar recycling

Petrodollar recycling is the international spending or investment of a country's revenues in U.S. dollars from petroleum exports ("petrodollars"). It generally refers to the phenomenon of major petroleum-exporting states, mainly the OPEC members plus Russia and Norway, earning more money from the export of crude oil than they could efficiently invest in their own economies. The resulting

Securities & exchanges

Public–private partnership

A public–private partnership (PPP, 3P, or P3) is a long-term arrangement between a government and private sector institutions. Typically, it involves private capital financing government projects and services up-front, and then drawing revenues from taxpayers and/or users for profit over the course of the PPP contract. Public–private partnerships have been implemented in multiple countri

Finance

Royalty fund

A royalty fund (also known as royalty funding) is a category of private equity fund that specializes in purchasing consistent revenue streams deriving from the payment of royalties. Royalties are a usage-based payment from one individual or entity to another individual or entity, giving the right to use an asset, product, service or idea.

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

Finance

Working Group on Financial Markets

The President's Working Group on Financial Markets, known colloquially as the Plunge Protection Team, or "(PPT)" was created by Executive Order 12631, signed on March 18, 1988, by United States President Ronald Reagan.

Payments & settlement

Worldline SA

Worldline SA is a French payment processing company founded in 1972. In 2024 its revenue was €4.63 billion.