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Digital assets and currencies

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

Fiat currencies

Renminbi currency value

Renminbi currency value is a debate affecting the Chinese currency unit, the renminbi (Chinese: 人民币 Code:CNY). The renminbi is classified as a managed floating exchange rate currency "with reference to a basket of currencies", which has drawn attention from nations which have freely floated currencies and has become a source of trade friction with Western nations.

Trading basics

Revel Systems

Revel Systems is an iPad-based point of sale system co-founded by Lisa Falzone and Christopher Ciabarra. In June 2024, it was announced that the company was acquired by Shift4.

Finance

Risk parity

Risk parity (or risk premia parity) is an approach to investment management which focuses on allocation of risk, usually defined as volatility, rather than allocation of capital. The risk parity approach asserts that when asset allocations are adjusted (leveraged or deleveraged) to the same risk level, the risk parity portfolio can achieve a higher Sharpe ratio and can be more resistant

Banking

Routing number (Canada)

A routing number is the term for bank codes in Canada. Routing numbers consist of eight numerical digits with a dash between the fifth and sixth digit for paper financial documents encoded with magnetic ink character recognition and nine numerical digits without dashes for electronic funds transfers. Routing numbers are regulated by Payments Canada, formerly known as the Canadian Payment

Banking

Routing transit number

In the United States, an ABA routing transit number (ABA RTN) is a nine-digit code printed on the bottom of checks to identify the financial institution on which it was drawn. The American Bankers Association (ABA) developed the system in 1910 to facilitate the sorting, bundling, and delivering of paper checks to the drawer's (check writer's) bank for debit to the drawer's account.

Trading basics

Saint Helena pound

The Saint Helena pound (symbol: £; currency code: SHP) is the currency of the Atlantic islands of Saint Helena and Ascension, which are constituent parts of the British Overseas Territory of Saint Helena, Ascension and Tristan da Cunha. It is fixed at parity with sterling, and so both currencies are commonly accepted and circulated within Saint Helena. Its base unit is the pound, which i

Trading basics

Salvadoran colón

The colón is the currency of El Salvador, used de jure since 1892. In 2001 it was replaced de facto by the U.S. dollar during the presidency of Francisco Flores. The colón was subdivided into 100 centavos and its ISO 4217 code is SVC, which didn't deprecate as a historical code. The plural is "colones" in Spanish and the currency was named after Christopher Columbus, known as Cristóbal C

Payments & settlement

Samsung Wallet

Samsung Wallet (Korean: 삼성 월렛, or simply Wallet) is a digital wallet platform developed by Samsung. It is available for the Samsung Galaxy-exclusive One UI operating system, and was announced on February 9, 2022, at the February 2022 Galaxy Unpacked event. It combines both Samsung Pay and Samsung Pass.

Trading basics

São Tomé and Príncipe dobra

The dobra (Portuguese pronunciation: [ˈdɔβɾɐ]) is the currency of São Tomé and Príncipe. It is abbreviated Db and is divided into 100 cêntimos. The first dobra (STD) was introduced in 1977, replacing the escudo at par. Due to past inflation, on 1 January 2018 the dobra was redenominated at a rate of 1000 to 1, and given the new ISO 4217 currency code STN.

Trading basics

Saudi riyal

The Saudi riyal (symbol: ⃁; code: SAR) is the currency of Saudi Arabia. Each riyal, the base unit, is subdivided into 100 halala (Arabic: هللة Halalah).

Securities & exchanges

Scienter

In law, scienter (, Law Latin for "knowingly", Latin pronunciation: [skiˈɛntɛr], from Latin scire 'to know, to separate one thing from another') is a legal term for intent or knowledge of wrongdoing, or reckless disregard for the truth. An offending party then has knowledge of the "wrongness" of an act or event prior to committing it.

Payments & settlement

Scrip

A scrip is any substitute for legal tender.

Securities & exchanges

SEC Rule 10b-5

SEC Rule 10b-5, codified at 17 CFR 240.10b-5, is one of the most important rules targeting securities fraud in the United States. It was promulgated by the U.S. Securities and Exchange Commission (SEC), pursuant to its authority granted under § 10(b) of the Securities Exchange Act of 1934. The rule prohibits any act or omission resulting in fraud or deceit in connection with the purchase

Securities & exchanges

SEC Rule 10b5-1

SEC Rule 10b5-1, codified at 17 CFR 240.10b5-1, is a regulation enacted by the United States Securities and Exchange Commission (SEC) in 2000. The SEC states that Rule 10b5-1 was enacted in order to resolve an unsettled issue over the definition of insider trading, which is prohibited by SEC Rule 10b-5.

Finance

Security agreement

A security agreement, in the law of the United States, is a contract that governs the relationship between the parties to a kind of financial transaction known as a secured transaction. In a secured transaction, the Grantor (typically a borrower but possibly a guarantor or surety) assigns, grants and pledges to the grantee (typically the lender) a security interest in personal property w

Finance

Security interest

In law and finance, a security interest is a legal right that a secured party has over secured assets. Security interests most often arise where a debtor grants an interest over collateral to a creditor to secure the loan, such that the creditor will have enforceable rights in the event of the debtor's default or non-performance.

Payments & settlement

Self-checkout

Self-checkouts (SCOs), also known as assisted checkouts (ACOs) or self-service checkouts, are machines that allow customers to complete their own transaction with a retailer without using a staffed checkout. When using SCOs, customers scan item barcodes before paying for their purchases without needing one-to-one staff assistance. Self-checkouts are used mainly in supermarkets, although

Banking

Serviceability (banking)

Serviceability in Australian banking is the ability of a debtor to meet loan repayments. In the 1990s debt serviceability criteria had been relaxed, but nowadays it's harder to get finance. Every creditor has own serviceability model.

Finance

Shipbroking

Shipbroking is a financial service, which forms part of the global shipping industry. Shipbrokers are specialist intermediaries/negotiators (i.e. brokers) between shipowners and charterers who use ships to transport cargo, or between buyers and sellers of vessels.

Banking

Silver standard

The silver standard is a monetary system in which the standard economic unit of account is a fixed weight of silver. Silver was far more widespread than gold as the monetary standard worldwide, from the Sumerians c. 3000 BC until 1873. Following the discovery in the 16th century of large deposits of silver at the Cerro Rico in Potosí, Bolivia, an international silver standard came into e

Assets

Silvergate Bank

Silvergate Bank was a California bank founded in 1988. The company began providing services for cryptocurrency users in 2016, and conducted an IPO in 2019.

Trading basics

Singapore dollar

The Singapore dollar (sign: $; code: SGD) is the official currency of the Republic of Singapore. Each dollar is divided into 100 cents (Malay: sen, Chinese: 分; pinyin: fēn, Tamil: காசு, romanized: kācu). It is normally abbreviated with the dollar sign $, or S$ to distinguish it from other dollar-denominated currencies. The Monetary Authority of Singapore (MAS) issues the banknotes and co

Banking

Single-tier banking system

A single-tier banking system is a policy framework under which all credit institutions coexist without distinction about the quality of their liabilities, or in other words, there is no distinction between central bank money and broad money. This setting is generally associated with communist economic systems.

Assets

Smart contract

A smart contract is a computer program or a transaction protocol that is intended to automatically execute, control or document events and actions according to the terms of a contract or an agreement. The objectives of smart contracts are the reduction of need for trusted intermediators, arbitration costs, and fraud losses, as well as the reduction of malicious and accidental exceptions.

Trading basics

Social media mining

Social media mining is the process of obtaining data from user-generated content on social media in order to extract actionable patterns, form conclusions about users, and act upon the information. Mining supports targeting advertising to users or academic research. The term is an analogy to the process of mining for minerals. Mining companies sift through raw ore to find the valuable mi

Finance

Social trading

Social trading is a form of investing that allows investors to observe the trading behavior of their peers and expert traders. The primary objective is to follow their investment strategies using copy trading or mirror trading. Social trading requires little or no knowledge about financial markets.

Banking

Sort code

Sort codes are the domestic bank codes used to route money transfers between financial institutions in the United Kingdom, and formerly in Ireland. They are six-digit hierarchical numerical addresses that specify clearing banks, clearing systems, regions, large financial institutions, groups of financial institutions and ultimately resolve to individual branches. In the UK they continue

Fiat currencies

Special drawing rights

Special drawing rights (SDRs, code XDR) are a supplementary foreign exchange reserve asset defined and maintained by the International Monetary Fund (IMF). SDRs are the units of account for the IMF, and not a currency; rather, SDR value is based on a basket of currencies, the specific composition of which is reviewed every five years. SDRs represent a claim to currency held by IMF member

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

Securities & exchanges

Stock certificate

In corporate law, a stock certificate (also known as certificate of stock or share certificate) is a legal document that certifies the legal interest (a bundle of several legal rights) of ownership of a specific number of shares (or, under Article 8 of the Uniform Commercial Code in the United States, a securities entitlement or pro rata share of a fungible bulk) or stock in a corporatio

Finance

Stock market

A stock market, equity market, or share market is the aggregation of buyers and sellers of stocks (also called as shares), which represent ownership claims on businesses; these may include securities listed on a public stock exchange as well as stock that is only traded privately, such as shares of private companies that are sold to investors through equity crowdfunding platforms. Invest

Securities & exchanges

Stock market data systems

Stock market data systems communicate market data—information about securities and stock trades—from stock exchanges to stockbrokers and stock traders.

Securities & exchanges

Stock market prediction

Stock market prediction is the act of trying to determine the future value of a company stock or other financial instrument traded on an exchange. The successful prediction of a stock's future price could yield significant profit. The efficient market hypothesis suggests that stock prices reflect all currently available information and any price changes that are not based on newly reveal

Fiat currencies

Store of value

A store of value is any commodity or asset that would normally retain purchasing power into the future and is the function of the asset that can be saved, retrieved and exchanged at a later time, and be predictably useful when retrieved.

Payments & settlement

Stored-value card

A stored-value card (SVC) or cash card is a payment card with a monetary value stored on the card itself, not in an external account maintained by a financial institution. This means no network access is required by the payment collection terminals as funds can be withdrawn and deposited straight from the card. Like cash, payment cards can be used anonymously as the person holding the ca

Securities & exchanges

Street name securities

The phrase street name securities or "nominee name securities" is used in the United States to refer to securities of companies which are held electronically in the account of a stockbroker or bank or custodian, similar to a bank account. The entity whose name is recorded as the legal owner of the securities is known as the "nominee owner," and that entity has ownership rights in the sec

Finance

Structured Financial Messaging System

Structured Financial Messaging System (SFMS) is a secure messaging standard developed to serve as a platform for intra-bank and inter-bank applications. It is an Indian standard similar to SWIFT which is the international messaging system used for financial messaging globally.

Banking

Structuring

Structuring, also known as smurfing in banking jargon, is the practice of executing financial transactions such as making bank deposits in a specific pattern, calculated to avoid triggering financial institutions to file reports required by law, such as the United States' Bank Secrecy Act (BSA) and Internal Revenue Code section 6050I (relating to the requirement to file Form 8300). Struc

Securities & exchanges

Subordination (finance)

Subordination in banking and finance refers to the order of priorities in claims for ownership or interest in various assets.

Payments & settlement

Surcharge (payment systems)

A payment surcharge, also known as checkout fee, is an extra fee charged by a merchant when receiving a payment by cheque, credit card, charge card, debit card or an e-money account, but not cash, which at least covers the cost to the merchant of accepting that means of payment, such as the merchant service fee imposed by a credit card company. Retailers generally incur higher costs when

Finance

Suspicious activity report

In financial regulation, a suspicious activity report (SAR) or suspicious transaction report (STR) is a report made by a financial institution about suspicious or potentially suspicious activity as required under laws designed to counter money laundering, financing of terrorism and other financial crimes. The criteria for when a report is required vary by country, but in general, a repor

Banking

Sustainable finance

Sustainable finance is the set of practices, standards, norms, regulations and products that pursue financial objectives while taking into account environmental, social, and governance considerations. It is often used interchangeably with Environmental, Social & Governance (ESG) investing. It is important to distinguish between ESG integration for better risk-adjusted returns and the bro

Trading basics

Swazi lilangeni

The lilangeni (plural: emalangeni, ISO 4217 code: SZL) is the currency of Eswatini and is subdivided into 100 cents. It is issued by the Central Bank of Eswatini (in swazi Umntsholi Wemaswati) and is authorised by the king and his family. The South African rand is also accepted in Eswatini. Similar to the Lesotho loti, there are singular and plural abbreviations, namely L and E, so where

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

Finance

Taleb distribution

In economics and finance, a Taleb distribution is the statistical profile of an investment which normally provides a payoff of small positive returns, while carrying a small but significant risk of catastrophic losses. The term was coined by journalist Martin Wolf and economist John Kay to describe investments with a "high probability of a modest gain and a low probability of huge losses

Payments & settlement

TARGET2

TARGET2 was the real-time gross settlement (RTGS) system for the Eurozone from its phased introduction in 2007-2008 until its replacement with T2 in March 2023. As such, it was one of the Eurosystem's TARGET Services, replacing the original TARGET (Trans-European Automated Real-time Gross Settlement Express Transfer System) RTGS introduced in 1999. Like the other TARGET Services, it was

Fiat currencies

Technical analysis

In finance, technical analysis is an analysis methodology for analysing and forecasting the direction of prices through the study of past market data, primarily price and volume. As a type of active management, it stands in contradiction to much of modern portfolio theory. The efficacy of technical analysis is disputed by the efficient-market hypothesis, which states that stock market pr

Stablecoins

Tether (cryptocurrency)

Tether is a stablecoin—a digital currency whose value aims to maintain a stable value relative to the United States dollar—launched by Tether Limited in 2014. It is represented by its currency codes USD₮ and USDT.

Payments & settlement

Threshold pledge system

The threshold pledge or fund and release system is a way of making a fundraising pledge as a group of individuals, often involving charitable goals or financing the provision of a public good. An amount of money is set as the goal or threshold to reach for the specified purpose and interested individuals will pitch in, but the money at first either remains with the pledgers or is held in

Securities & exchanges

Ticker tape

Ticker tape was the earliest electrical dedicated financial communications medium, transmitting stock price information over telegraph lines, in use from around 1870 to 1970. It consisted of a paper strip that ran through a machine called a stock ticker, which printed abbreviated company names as alphabetic symbols followed by numeric stock transaction price and volume information. The t

Trading basics

Ticketer

Ticketer is the brand name for a range of electronic ticket machines provided by British company Corvia Ltd, primarily for usage on buses. The cloud-based system, first marketed on a small scale in 2008, has since developed into a rival to the three major ticket issuing systems used by bus companies throughout Britain.

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

Trading basics

Touch 'n Go eWallet

Touch 'n Go eWallet is a Malaysian digital wallet and online payment platform, established in Kuala Lumpur, Malaysia, in July 2017 as a joint venture between Touch 'n Go and Ant Financial. It allows users to make payments at over 280,000 merchant touch points via QR code, as well as perform peer-to-peer (P2P) money transfers.

Finance

Trade credit insurance

Trade credit insurance, business credit insurance, export credit insurance, or credit insurance is a type of insurance policy and a risk management product offered by private insurance companies and governmental export credit agencies to business entities wishing to protect their accounts receivable from loss due to credit risks such as protracted default, insolvency or bankruptcy. This

Banking

Transaction authentication number

A transaction authentication number (TAN) is used by some online banking services as a form of single use one-time passwords (OTPs) to authorize financial transactions. TANs are a second layer of security above and beyond the traditional single-password authentication.

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

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

Securities & exchanges

Trend following trading

Trend following or trend trading is a trading strategy according to which one should buy an asset when its price trend goes up, and sell when its trend goes down, expecting price movements to continue.

Fiat currencies

Triangular arbitrage

Triangular arbitrage (also referred to as cross currency arbitrage or three-point arbitrage) is the act of exploiting an arbitrage opportunity resulting from a pricing discrepancy among three different currencies in the foreign exchange market. A triangular arbitrage strategy involves three trades, exchanging the initial currency for a second, the second currency for a third, and the thi

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

Trading basics

Turkmen manat

The manat (Turkmen: manat; abbreviation: m; code: TMT) is the currency of Turkmenistan. The original manat was introduced on 1 November 1993, replacing the ruble at a rate of 1 manat = Rbls 500. The manat is subdivided into 100 tenge (Turkmen: teňňe).

Trading basics

Tuvaluan dollar

The Tuvaluan dollar is one of the currencies of Tuvalu, whose unofficial international currency code is TVD. Tuvalu has never had banknotes of its own, and has been issuing coins since 1976. However, the Tuvaluan dollar is used as a unit of account, and is pegged to the Australian dollar (the other currency of Tuvalu) at parity. From 1966 to 1976, Tuvalu officially used the Australian do

Trading basics

Ukash

Ukash was a UK-based electronic money system that allowed users to exchange their cash for a secure code to make payments online. It was acquired by Skrill Group in April 2014 and merged into Austrian competitor paysafecard, acquired by Skrill a year earlier. All existing vouchers expired after 31 October 2015. Remaining ones could be exchanged into paysafecard PINs, in May 2016 paysafec

Securities & exchanges

Underwriting

Underwriting (UW) services are provided by some large financial institutions, such as banks, insurance companies and investment houses, whereby they guarantee payment in case of damage or financial loss and accept the financial risk for liability arising from such guarantee. An underwriting arrangement may be created in a number of situations including insurance, issues of security in a

Trading basics

Underwriting profit

Underwriting profit, also called underwriting income, is the profit an insurer makes from underwriting activities after claims and underwriting expenses are accounted for, excluding any investment income.

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

Finance

United Kingdom insolvency law

United Kingdom insolvency law regulates companies in the United Kingdom which are unable to repay their debts. While UK bankruptcy law concerns the rules for natural persons, the term insolvency is generally used for companies formed under the Companies Act 2006. Insolvency means being unable to pay debts. Since the Cork Report of 1982, the modern policy of UK insolvency law has been to

Fiat currencies

United States dollar

The United States dollar (symbol: $; currency code: USD) is the official currency of the United States (U.S.) and several other countries. The U.S. Coinage Act of 1792 established the dollar as the base unit, with each dollar divided into 100 cents (symbol: ¢). U.S. banknotes are issued in the form of Federal Reserve Notes, popularly called greenbacks due to their predominantly green col

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

Fiat currencies

United Stock Exchange of India

United Stock Exchange of India Limited, also known as the United Stock Exchange (USE), is an Indian government owned stock exchange. It is the 4th pan-India exchange launched for trading financial instruments in India. USE represents the commitment of 21 Indian public sector banks, private banks, international banks and corporate houses to build an institution of repute. Mr. Gaurav Arora

Trading basics

Uranium market

The uranium market, like all commodity markets, has a history of volatility, moving with the standard forces of supply and demand as well as geopolitical pressures. It has also evolved particularities of its own in response to the unique nature and use of uranium.

Fiat currencies

USD: Difference Between Fiat Currency and On-Chain Assets

The international currency code for the US dollar is USD. This article covers its definition, mechanisms, verification methods, and common misconceptions.

Payments & settlement

Vocalink

Vocalink is a payment systems company headquartered in the United Kingdom, created in 2007 from the merger between Voca and LINK. It designs, builds and operates the UK payments infrastructure, which underpins the provision of the Bacs payment system and the UK ATM LINK switching platform covering 65,000 ATMs and the UK Faster Payments systems.

Finance

Voidable floating charge

In law, a voidable floating charge refers to a floating charge entered into shortly prior to the company going into liquidation which is void or unenforceable in whole or in part under applicable insolvency legislation.

Trading basics

Wei Dai

Wei Dai (Chinese: 戴维) is a computer engineer known for contributions to cryptography and cryptocurrencies. He developed the Crypto++ cryptographic library, proposed the b-money cryptocurrency system, and co-proposed the VMAC message authentication algorithm.

Trading basics

West African CFA franc

The West African CFA franc (French: franc CFA or simply franc, ISO 4217 code: XOF; abbreviation: F.CFA) is the currency used by eight independent states in West Africa which make up the West African Economic and Monetary Union (UEMOA): Benin, Burkina Faso, Côte d'Ivoire (Ivory Coast), Guinea-Bissau, Mali, Niger, Senegal and Togo. These eight countries had a combined population of 105.7 m

Trading basics

Western Union

The Western Union Company is an American multinational financial services corporation headquartered in Denver, Colorado.

Payments & settlement

Yang Cheng Tong

Yang Cheng Tong (Chinese: 羊城通; Jyutping: joeng4 sing4 tung1; pinyin: Yáng chéng tōng; lit. 'Ram City Pass') is a contactless rechargeable stored value smartcard designed for paying the travel fares in the metro, buses, taxis and ferries in Guangzhou, China, along with most other cities in Guangdong, with the exception of Shenzhen. It was developed and managed by Guangzhou Yang Cheng Tong

Payments & settlement

Yape (payment)

Yape (pronounced [ˈʝape]) is a digital wallet and mobile payment application developed by the Banco de Crédito del Perú (BCP) in 2016. As of 2025, it has over 20 million users. Its features include instant, commission-free peer-to-peer transfers, bill payments, and purchases using a smartphone via a phone number or QR code, without requiring a traditional bank account, enabling its use b