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Digital assets and currencies

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

Assets

Proof of stake

Proof-of-stake (PoS) protocols are a class of consensus mechanisms for blockchains that work by selecting validators in proportion to their quantity of holdings in the associated cryptocurrency. This is done to avoid the computational cost of proof-of-work (PoW) schemes. The first functioning use of PoS for cryptocurrency was Peercoin in 2012, although its scheme, on the surface, still r

Securities & exchanges

Refinitiv Identification Code

A Refinitiv Instrument Code, previously Reuters Instrument Code (RIC), is a ticker-like code used by Refinitiv to identify financial instruments and indices. The codes are used for looking up information on various Refinitiv financial information networks (such as Refinitiv Real Time) and appear to have developed from the Quotron service purchased in the 1980s.

Networks

Regulation of algorithms

Regulation of algorithms, or algorithmic regulation, is the creation of laws, rules and public sector policies for promotion and regulation of algorithms, particularly in artificial intelligence and machine learning. For the subset of AI algorithms, the term regulation of artificial intelligence is used. The regulatory and policy landscape for artificial intelligence (AI) is an emerging

Finance

Reputational damage

Reputational damage is the loss to financial capital, social capital and/or market share resulting from damage to an organization's reputation. This is often measured in lost revenue, increased operating, capital or regulatory costs, or destruction of shareholder value. Ethics violations, safety issues, security issues, a lack of sustainability, poor quality, and lack of or unethical inn

Finance

Reuters 3000 Xtra

Reuters 3000 Xtra was an electronic trading platform which was released by Reuters in 1999 and supported until the end of 2013. It was typically used by professional traders and financial analysts in trading rooms. It was superseded by the Eikon platform, first released in 2010.

Finance

Robin Hood tax

The Robin Hood tax is a package of financial transaction taxes (FTT) proposed by a campaigning group of civil society non-governmental organizations (NGOs). Campaigners have suggested the tax could be implemented globally, regionally, or unilaterally by individual nations. Conceptually similar to the Tobin tax (which was proposed for foreign currency exchange only), it would affect a wid

Finance

Rotating savings and credit association

A rotating savings and credit association (ROSCA) is a group of individuals who agree to meet for a defined period in order to save and borrow together, a form of combined peer-to-peer banking and peer-to-peer lending. Members all chip in regularly and take turns withdrawing accumulated sums.

Assets

Royal Mint Gold

Royal Mint Gold was a digital gold currency and a cryptocurrency backed by gold reserves in the UK Royal Mint. The Royal Mint launched a digitized token called RMG, representing one gram of physical gold per token, in 2016. It began testing blockchain transactions in April 2017. The first test transaction was in August 2017. The rollout was originally scheduled to occur by the end of 20

Payments & settlement

SADAD

The SADAD payment system was established by the Saudi Central Bank (SAMA) to be the national electronic bill presentment and payment (EBPP) service provider for the Kingdom of Saudi Arabia (KSA). The core mandate for SADAD is to facilitate and streamline bill payment transactions of end consumers through all channels of the KSA (Kingdom of Saudi Arabia) Banks. SADAD was launched on June

Assets

Scam center

A scam center, fraud factory, fraud park, scam factory, scam compound, scam hub, scam park, fraud center, fraud compound, or fraud hub is a collection of large fraudulent organizations usually involved in human trafficking operations, generally found in Southeast Asia and usually operated by a criminal gang. Scam center operators lure foreign nationals to scam hubs, where they are forced

Trading basics

Season ticket

A season ticket or season pass is a ticket valid for multiple events, typically providing access to an entire season of games or performances at a specific venue or within a particular activity, such as sports matches or public transportation services. Season tickets are commonly issued by sports organizations, theaters, and transit authorities to ensure customers have secured access for

Securities & exchanges

Securities commission

A securities commission, securities regulator or capital market authority is a government department or agency responsible for financial regulation of securities products within a particular country. Its powers and responsibilities vary greatly from country to country, but generally cover the setting of rules as well as enforcing them for financial intermediaries and stock exchanges.

Securities & exchanges

Securities industry in China

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

Securities & exchanges

Seeking Alpha

Seeking Alpha is a crowd-sourced content service that publishes news on financial markets. It is accessible via a website and mobile app and offers both free and paid subscriptions. Independent contributors, mostly from the buy side, write almost all of the articles published by the service and are paid based on how many subscribers access their articles.

Trading basics

Semantic layer

A semantic layer is a business representation of corporate data that helps end users access data autonomously using common business terms managed through business semantics management. A semantic layer maps complex data into familiar business terms such as product, customer, or revenue to offer a unified, consolidated view of data across the organization.

Securities & exchanges

Share class

In finance, a share class or share classification are different types of shares in company share capital that have different levels of voting rights. For example, a company might create two classes of shares class A share and a class B share where the class A shares have fewer rights than class B shareholders. This may be done to maintain control of a company by a group of shareholders o

Banking

Shared Interest

Shared Interest Society Limited is a fair trade financial co-operative based in the United Kingdom formed in 1990. Today it provides credit and financial services to fair trade producers, retailers, importers and exporters throughout the world. Shared Interest works with both Fairtrade International (formerly known as Fairtrade Labelling Organizations or FLO) and the World Fair Trade Org

Finance

Social earnings ratio

The social earnings ratio, sometimes abbreviated to S/E, is a single-number metric, used to measure the social impact of various organizations. The non-financial metric is similar to the price-earnings ratio, but instead focuses on valuation against social impact, rather than projected earnings.

Securities & exchanges

SOFR Academy

SOFR Academy, Inc. is an American financial market infrastructure company focused on developing benchmark credit-spread infrastructure designed to complement risk-free reference rates in global capital markets. In connection with global reference rate reform and the transition away from the London Interbank Offered Rate (LIBOR), which underpinned approximately US$400 trillion in financia

Networks

Solana (blockchain platform)

Solana is a public blockchain platform that uses a proof-of-stake consensus mechanism and provides smart contract functionality. The platform's native cryptocurrency is SOL. Solana was founded in 2018 by Toly Yakovenko and Raj Gokal, and the network was launched in March 2020 by their San Francisco-based company, Solana Labs.

Trading basics

Solidity

Solidity is a programming language for implementing smart contracts on various blockchain platforms, most notably Ethereum. Solidity is licensed under GNU General Public License v3.0. Solidity was designed by Gavin Wood and developed by Christian Reitwiessner, Alex Beregszaszi, and several former Ethereum core contributors. Programs in Solidity run on Ethereum Virtual Machine or on compa

Payments & settlement

SparkBase

SparkBase, LLC (SparkBase or SB) was a stored-value and gift card transaction processor located in Cleveland, Ohio, United States from 2004 to 2016. It provided private-label, stored-value, specialty gift cards, customer loyalty, and community rewards programs to Independent Sales Organizations (independent companies used by banks to develop new merchant relationships on their behalf).

Assets

Stellar (payment network)

Stellar, or Stellar Lumens (symbol: XLM), is a cryptocurrency protocol which allows transactions between any pair of currencies.

Banking

SUCRE

The SUCRE ([ˈsukɾe]; Spanish: Sistema Unitario de Compensación Regional, "Unified System for Regional Compensation") was a regional currency proposed for commercial exchanges between members of the regional trade bloc Bolivarian Alliance for the Americas (ALBA), which was created as an alternative to the Free Trade Agreement of the Americas (FTAA). The SUCRE was intended to replace the

Trading basics

Suggestion box

The suggestion box is used for collecting slips of paper with input from customers and patrons of a particular organization. Suggestion boxes may also exist internally, within an organization, such as means for garnering employee opinion.

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.

Finance

Swaption

A swaption (a portmanteau of "swap" and "option") is an option granting its owner the right but not the obligation to enter into an underlying swap on specified terms at a future date. In practice the term is most commonly used for options on interest rate swaps, where the holder has the right to enter into a fixed-for-floating interest rate swap.

Trading basics

Swift v. Tyson

Swift v. Tyson, 41 U.S. (16 Pet.) 1 (1842), was a case brought in diversity in the Circuit Court for the Southern District of New York on a bill of exchange accepted in New York in which the Supreme Court of the United States determined that United States federal courts that heard cases brought under their diversity jurisdiction under the Judiciary Act of 1789 must apply statutory state

Networks

Terra (blockchain)

Terra is a blockchain protocol and payment platform used for algorithmic stablecoins. The project was created in 2018 by Terraform Labs, a startup co-founded by Do Kwon and Daniel Shin. It is best known for its Terra algorithmic stablecoin and the associated LUNA reserve asset cryptocurrency.

Networks

Tezos

Tezos is an open-source blockchain that can execute peer-to-peer transactions and serve as a platform for deploying smart contracts. The native cryptocurrency for the Tezos blockchain is the tez (ISO 4217: XTZ; sign: ꜩ). The Tezos network achieves consensus using proof-of-stake. Tezos uses an on-chain governance model that enables the protocol to be amended when upgrade proposals receive

Assets

The DAO

The DAO was a digital decentralized autonomous organization and a form of investor-directed venture capital fund. After launching in April 2016 via a token sale, it became one of the largest crowdfunding campaigns in history, but it ceased activity after much of its funds - in the form of US$ exchanged for "Ether-crypto coins" - were taken in a hack in June 2016.

Trading basics

The Good Judgment Project

The Good Judgment Project (GJP) is an organization dedicated to "harnessing the wisdom of the crowd to forecast world events". It was co-created by Philip E. Tetlock (author of Superforecasting: The Art and Science of Prediction and Expert Political Judgment), decision scientist Barbara Mellers, and Don Moore, all professors at the University of Pennsylvania.

Assets

Tornado Cash

Tornado Cash (also stylized as TornadoCash) is an open source, non-custodial, fully decentralized cryptocurrency tumbler that runs on Ethereum Virtual Machine-compatible networks. It offers a service that mixes potentially identifiable or "tainted" cryptocurrency funds with others, so as to obscure the trail back to the fund's original source. This is a privacy tool used in EVM networks

Securities & exchanges

Tracking stock

Tracking stock (also known as letter stock and targeted stock) is a specialized equity offering issued by a company that is based on the operations of a defined business within the larger organization (such as, for instance, a wholly owned subsidiary of a diversified firm). Therefore, the tracking stock will be traded at a price related to the operations of the specific division of the c

Finance

Trade finance

Trade finance is a phrase used to describe different strategies that are employed to make international trade easier. It signifies financing for trade, and it concerns both domestic and international trade transactions. A trade transaction requires a seller of goods and services as well as a buyer. Various intermediaries such as banks and financial institutions can facilitate these trans

Networks

Transient-key cryptography

Transient-key cryptography is a form of public-key cryptography wherein keypairs are generated and assigned to brief intervals of time instead of to individuals or organizations, and the blocks of cryptographic data are chained through time. In a transient-key system, private keys are used briefly and then destroyed, which is why it is sometimes nicknamed “disposable crypto.” Data encryp

Finance

Treasurer

A treasurer is a person responsible for the financial operations of a government, business, or other organization.

Fiat currencies

Treasury view

In macroeconomics, particularly in the history of economic thought, the Treasury view is the assertion that fiscal policy has no effect on the total amount of economic activity and unemployment, even during times of economic recession. This view was most famously advanced in the 1930s (during the Great Depression) by the staff of the British Chancellor of the Exchequer. The position can

Networks

Tron (blockchain)

Tron (stylized in all caps) is a decentralized, proof-of-stake blockchain with smart contract functionality. The cryptocurrency native to the blockchain is known as Tronix (TRX). It was founded in March 2014 by Justin Sun and, since 2017, has been overseen and supervised by the TRON Foundation, a non-profit organization in Singapore, established in the same year. It is open-source softwa

Finance

U.S. Strategic Bitcoin Reserve

The Strategic Bitcoin Reserve is a proposed reserve asset, funded by the United States Department of the Treasury's forfeited bitcoin, announced by United States president Donald Trump in March 2025. The creation of the United States Digital Asset Stockpile for non-bitcoin assets was also announced. Trump has previously stated that he wants the United States to become the "crypto capita

Securities & exchanges

UNIDROIT

UNIDROIT (formally, the International Institute for the Unification of Private Law; French: Institut international pour l'unification du droit privé) is an intergovernmental organization whose objective is to harmonize private international law across countries through uniform rules, international conventions, and the production of model laws, sets of principles, guides and guidelines. E

Securities & exchanges

United States securities regulation

Securities regulation in the United States is the field of U.S. law that covers transactions and other dealings with securities. The term is usually understood to include both federal and state-level regulation by governmental regulatory agencies, but sometimes may also encompass listing requirements of exchanges like the New York Stock Exchange and rules of self-regulatory organizations

Assets

Unspent transaction output

In cryptocurrencies, an unspent transaction output (UTXO, often capitalized as UTxO) is a distinctive element in a subset of digital currency models. A UTXO represents a certain amount of cryptocurrency that has been authorized by a sender and is available to be spent by a recipient. The utilization of UTXOs in transaction processes is a key feature of many cryptocurrencies, but it prima

Assets

Upbit

Upbit is a South Korean cryptocurrency exchange founded in 2017. It is operated by Dunamu, which is one of the highest-valued startups in South Korea.

Stablecoins

USDC (cryptocurrency)

USDC (USD Coin) is a cryptocurrency stablecoin issued by Circle Internet Group. It is pegged to the United States dollar, and is distinct from a central bank digital currency (CBDC).

Trading basics

USI Tech

USI Tech Limited (also known as United Software Intelligence, or stylised as USI-TECH) was a Dubai-based cryptocurrency and forex platform trading provider, suspected to be a high-yield investment program and a Ponzi scheme. Prior to going offline with its users' funds, USI-Tech moved its website from a .com top-level domain, to a .io domain, while also appearing on a number of mirror do

Assets

Virtual currency law in Iran

In 2018, Iran recognized cryptocurrency mining as a legal industry in order to monitor and regulate the mining farms that were already operating. In December 2025 Iranian regime globally banned any and all transaction and transfer of cryptocurrency and along with that of in gold. In July 2018, President Hassan Rouhani's administration declared its intention of launching a national crypto

Securities & exchanges

Weather derivative

Weather derivatives are financial instruments that can be used by organizations or individuals as part of a risk management strategy to reduce risk associated with adverse or unexpected weather conditions. Weather derivatives are index-based instruments that usually use observed weather data at a weather station to create an index on which a payout can be based. This index could be total

Networks

Web3

Web3 is an idea for a new iteration of the World Wide Web which incorporates concepts such as decentralization, blockchain technologies, tokenomics, and privacy-enhancing technologies. The term is sometimes confused with the Semantic Web, as both have sometimes been referred to as "Web 3.0". Some technologists and journalists have contrasted it with Web 2.0, in which they say user-genera

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

Trading basics

Winnipeg Commodity Exchange

ICE Futures Canada (IFCA)—known as the Winnipeg Commodity Exchange (WCE) until 2008—was a derivatives market based in Winnipeg, Manitoba, and was Canada's only commodity futures exchange.

Assets

World (blockchain)

World, also known as World Network, is a humanity verification project and financial network. It was developed and launched as the cryptocurrency project Worldcoin. Among other organizations, contributors to the project include Tools for Humanity, a company founded in 2019 by Sam Altman, Max Novendstern, and Alex Blania. World's stated mission is to provide a reliable and anonymous way t

Trading basics

World Business Angels Association

The World Business Angels Association (WBAA) was an international, not-for-profit organization whose mission was to stimulate the exchange of knowledge and best practices in the field of global angel capital financing for high-growth and innovative startups. It was closed around 2017.

Finance

World Liberty Financial

World Liberty Financial (WLFI) is a decentralized finance protocol developed by its namesake company. It was founded in 2024 by Zachary Folkman, Chase Herro, Alex Witkoff, Zach Witkoff, and Trump family members. It is a business venture of the Trump family. The Trump family receives 75% of net proceeds when WLFI sells tokens, as well as gets a cut of stablecoin profits. By December 2025,

Fiat currencies

XRP Ledger

The XRP Ledger (XRPL), also called the Ripple Protocol, is a cryptocurrency platform launched in 2012 by Ripple Labs. The XRPL employs the native cryptocurrency known as XRP, and supports tokens, cryptocurrency or other units of value such as frequent flyer miles or mobile minutes.

Assets

Zcash

Zcash is a privacy-focused cryptocurrency which features an encrypted ledger using zero-knowledge proofs.