Industry WIKI

DataTreasury is an American fintech company. Located in Plano, Texas, the company develops, acquires and licenses technology for secure check image capture and storage. The company has a patent portfolio relating to these technologies, which it enforces.

David Lee Chaum (born 1955) is an American computer scientist, cryptographer, and inventor. He is known as a pioneer in cryptography and privacy-preserving technologies and widely recognized as the inventor of digital cash. His 1982 dissertation, "Computer Systems Established, Maintained, and Trusted by Mutually Suspicious Groups," is the first known proposal for a blockchain protocol. C

In finance, a day count convention determines how interest accrues over time for a variety of investments, including bonds, notes, loans, mortgages, medium-term notes, swaps, and forward rate agreements (FRAs). This determines the number of days between two coupon payments, thus calculating the amount transferred on payment dates and also the accrued interest for dates between payments.

dbFX was Deutsche Bank’s online margin foreign exchange trading platform and service for individual and institutional investors including financial institutions, hedge funds, corporations, asset managers, money managers, commodity trading advisors, broker-dealers, brokerage firms, high net worth individuals, and sophisticated and professional traders, which operated from 2006-2011.

A de facto currency is a unit of money that is not legal tender in a country but is treated as such by most of the populace. The United States dollar and the euro are the most common de facto currencies.

In finance, a dead cat bounce is a small, brief recovery in the price of a declining asset. Derived from the idea that "even a dead cat will bounce if it falls from a great height", the phrase is also popularly applied to any case where a subject experiences a brief resurgence during or following a severe decline. This may also be known as a "sucker rally".

Debanking (sometimes spelled de-banking, and also known within the banking industry as de-risking) is the closure of people's or organizations' bank accounts by banks that perceive the account holders to pose a financial, legal, regulatory, or reputational risk to the bank.

A debasement of coinage is the practice of lowering the intrinsic value of coins, especially when used in connection with commodity money, such as gold or silver coins, while continuing to circulate them at face value. A coin is said to be debased if the quantity of gold, silver, copper or nickel in the coin is reduced.

A debit card, also known as a check card, cheque card or bank card, is a payment card that can be used in place of cash to make purchases. The card usually consists of the bank's name, a card number, the cardholder's name, and an expiration date, on either the front or the back. Many new cards now have a chip on them, which allows people to use their card by touch (contactless), or by in

Debit card cashback (known as cashback at the tills in the United Kingdom, and as cash out in Australia and New Zealand), is a service offered to retail customers whereby an amount is added to the total purchase price of a transaction paid by debit card and the customer receives that amount in cash along with the purchase. For example, a customer purchasing $18.99 worth of goods at a su

Debt is an obligation that requires one party, the debtor, to pay money borrowed or otherwise withheld from another party, the creditor. Debt may be owed by a sovereign state or country, local government, company, or an individual. Commercial debt is generally subject to contractual terms regarding the amount and timing of repayments of principal and interest. Loans, bonds, notes, and mo

A debt buyer is a company, sometimes a collection agency, a private debt collection law firm, or a private investor, that purchases delinquent or charged-off debts from a creditor or lender for a percentage of the face value of the debt based on the potential collectibility of the accounts. The debt buyer can then collect on its own, utilize the services of a third-party collection agenc

Debt deflation is a theory that recessions and depressions are due to the overall level of debt rising in real value because of deflation, causing people to default on their consumer loans and mortgages. Bank assets fall because of the defaults and because the value of their collateral falls, leading to a surge in bank insolvencies, a reduction in lending and by extension, a reduction in

Debt intolerance is a term referring to the inability of emerging markets to manage levels of external debt that, under the same circumstances, would be manageable for developed countries, making a direct analogy to lactose-intolerant individuals. It was coined by Carmen Reinhart, Kenneth Rogoff and Miguel Savastano.

A company's debt-to-equity ratio (D/E) is a financial ratio indicating the relative proportion of shareholders' equity and debt used to finance the company's assets. Closely related to leveraging, the ratio is also known as risk ratio, gearing ratio or leverage ratio. The two components are often taken from the firm's balance sheet or statement of financial position (so-called book value

In the consumer mortgage industry, debt-to-income ratio (DTI) is the percentage of a consumer's monthly gross income that goes toward paying debts. (Speaking precisely, DTIs often cover more than just debts; they can include principal, taxes, fees, and insurance premiums as well. Nevertheless, the term is a set phrase that serves as a convenient, well-understood shorthand.) There are two

Decentraland is a 3D virtual world platform. Users may buy virtual plots of land in the platform as NFTs via the MANA cryptocurrency, which uses the Ethereum blockchain. Designers can create and sell clothes and accessories for the avatars to be used in the virtual world.

A decentralised application (DApp, dApp, Dapp, or dapp) is an application that can operate autonomously, typically through the use of smart contracts, that run on a blockchain or other distributed ledger system. DApps provide a function or utility to their users with less human intervention. Control over some DApps is distributed over holders of tokens that represent ownership over a DAp

A decentralized autonomous organization (DAO) is a software system for organization of other computer programs handled through a decentralized ledger technology like a blockchain. These systems are used most commonly to handle voting and finances, among other processes. The precise legal status of this type of organization system is unclear.

Decentralized finance (often stylized as DeFi) provides financial instruments and services through smart contracts on a programmable, permissionless blockchain. This approach reduces the need for intermediaries such as brokerages, exchanges, or banks. DeFi platforms enable users to lend or borrow funds, speculate on asset price movements using derivatives, trade cryptocurrencies, insure

Decimalisation or decimalization (see spelling differences) is the conversion of a system of currency or of weights and measures to units related by powers of 10.

Dedicated short-range communications (DSRC) is a technology for direct wireless exchange of vehicle-to-everything (V2X) and other intelligent transportation systems (ITS) data between vehicles, other road users (pedestrians, cyclists, etc.), and roadside infrastructure (traffic signals, electronic message signs, etc.). DSRC, which can be used for both one- and two-way data exchanges, use

Deferred financing costs or debt issuance costs is an accounting concept meaning costs associated with issuing debt (loans and bonds), such as various fees and commissions paid to investment banks, law firms, auditors, regulators, and so on. Since these payments do not generate future benefits, they are treated as a contra debt account. The costs are capitalized, reflected in the balance

In economics, deflation is an increase in the real value of the monetary unit of account, as reflected in a decrease in the general price level of goods and services exchanged, measurable by broad price indices.

At the micro-economic level, deleveraging refers to the reduction of the leverage ratio, or the percentage of debt in the balance sheet of a single economic entity, such as a household or a firm. It is the opposite of leveraging, which is the practice of borrowing money to acquire assets and multiply gains and losses.

Della Moneta (On Money) is a 1751 book written by Ferdinando Galiani, and is one of the first specific European treatises on economics, especially monetary theory, preceding Adam Smith's The Wealth of Nations by twenty-five years.

In finance, delta neutral describes a portfolio of related financial securities, in which the portfolio value remains unchanged when small changes occur in the value of the underlying security (having zero delta). Such a portfolio typically contains options and their corresponding underlying securities such that positive and negative delta components offset, resulting in the portfolio's

Delta one products are financial derivatives that have no optionality and as such have a delta of (or very close to) one – meaning that for a given instantaneous move in the price of the underlying asset there is expected to be an identical move in the price of the derivative. Delta one products can sometimes be synthetically assembled by combining options. For instance, you can be long

Demand deposits or checkbook money are funds held in demand accounts in commercial banks. These account balances are usually considered money and form the greater part of the narrowly defined money supply of a country. Simply put, these are deposits in the bank that can be withdrawn on demand, without any prior notice.

In economics, a demand shock is a sudden event that increases or decreases demand for goods or services temporarily.

Demurrage currency, also known as depreciating money or stamp scrip in its paper money form, is a type of money that is designed to gradually lose purchasing power at a constant rate. Demurrage money is often confused with inflation, as they both cause money to lose value, but they have significantly different economic effects. Unlike normal money, demurrage is designed to be only a temp

The Department of Budget and Management (DBM; Filipino: Kagawaran ng Badyet at Pamamahala) is an executive body under the Office of the President of the Philippines. It is responsible for the sound and efficient use of government resources for national development and also as an instrument for the meeting of national socio-economic and political development goals.

The Department of Finance is a department of the Australian Government that is responsible for assisting the government across a wide range of policy areas to ensure its outcomes are met, particularly with regard to expenditure, fiscal management and operations of government.

The Department of Finance (Irish: An Roinn Airgeadais) is a department of the Government of Ireland. It is led by the Minister for Finance.

The Department of Finance (DoF, Irish: An Roinn Airgeadais, Ulster-Scots: Männystrie o Siller) is a devolved Northern Ireland government department in the Northern Ireland Executive. The minister with overall responsibility for the department is the Minister for Finance. The incumbent Minister is John O'Dowd.

Papua New Guinea's Department of Finance is responsible for the "protection of public money" in Papua New Guinea (PNG). It aims to improve "the transparency and accountability of the accounting and financial reporting and their frameworks" in the country. The department is led by a Minister of Finance. The headquarters of the department are at Vulupindi Haus, Waigani.

The Department of Finance (DOF; Filipino: Kagawaran ng Pananalapi) is the executive department of the Philippine government responsible for the formulation, institutionalization and administration of fiscal policies, management of the financial resources of the government, supervision of the revenue operations of all local government units, the review, approval and management of all publ

The Department of Finance Canada (French: Ministère des Finances Canada) is a central agency of the Government of Canada. The department assists the minister of finance in developing the government's fiscal framework and advises the government on economic and financial issues. A principal role of the department is assisting the government in the development of its annual budget.

A deposit account is a bank account maintained by a financial institution in which a customer can deposit and withdraw money. Deposit accounts can be savings accounts, current accounts or any of several other types of accounts explained below.

Deposit insurance, deposit protection or deposit guarantee is a measure implemented in many countries to protect bank depositors, in full or in part, from losses caused by a bank's inability to pay its debts when due. Deposit insurance or deposit guarantee systems are one component of a financial system safety net that promotes financial stability, and are typically integrated with bank

The Deposit Insurance Agency (DIA; Russian: Агентство по страхованию вкладов, АСВ) is a Russian state corporation (non-profit organization) established in January 2004 to manage operation of the deposit insurance system in the Russian Federation. DIA pays insurance compensations to depositors of failed banks. DIA also exercises bankruptcy administrator functions of insolvent banks, non–g

Deposit risk is a type of liquidity risk of a financial institution that is generated by deposits either with defined maturity dates (then such deposits are called 'time' or 'term' deposits) or without defined maturity dates (then such deposits are called 'demand' or 'non-maturity' deposits).

The Depository Trust & Clearing Corporation (DTCC) is an American financial market infrastructure company that provides clearing, settlement and trade reporting services to financial market participants. It performs the exchange of securities on behalf of buyers and sellers and functions as a central securities depository by providing central custody of securities.

In finance, a derivative is a contract between a buyer and a seller. The derivative can take various forms, depending on the transaction, but every derivative has the following four elements:

The derivatives market is the financial market for derivatives – financial instruments like futures contracts or options – which are derived from other forms of assets.

The Deutscher Sparkassen- und Giroverband (DSGV, lit. 'German association of savings banks and money transfers') is the association of German savings banks (German: Sparkassen) and the apex entity of the Sparkassen-Finanzgruppe, the European Union's second-largest financial services group (after BNP Paribas) with 2.5 trillion euros combined assets as of end-2023. Germany's savings banks,

Devaynes v Noble (1816) 35 ER 781, best known for the claim contained in Clayton's case, created a rule, or more precisely common law presumption, in relation to the distribution of money from a bank account. The rule is based upon the deceptively simple notion of first-in, first-out to determine the effect of payments from an account, and normally applies in English Law in the absence o

In derivatives trading, the term diagonal spread is applied to an options spread position that shares features of both a calendar spread and a vertical spread. It is established by simultaneously buying and selling equal amount of option contracts of the same type (call options or put options) but with different strike prices and expiration dates.

The Diamond–Dybvig model is an influential model of bank runs and related financial crises. The model shows how banks' mix of illiquid assets (such as business or mortgage loans) and liquid liabilities (deposits which may be withdrawn at any time) may give rise to self-fulfilling panics among depositors. Douglas Diamond and Philip H. Dybvig, along with Ben Bernanke, were the recipients o

Diebold Nixdorf, Incorporated is an American multinational financial and retail technology company based in North Canton, Ohio. It specializes in the sale, manufacture, installation, and service of self-service transaction systems (such as ATMs and currency processing systems), point-of-sale terminals, physical security products, and software and related services for global financial, re

Diem (formerly known as Libra) was a permissioned blockchain-based stablecoin payment system proposed by the American social media company Facebook. The plan also included a private currency implemented as a cryptocurrency. The launch was originally planned to be in 2020, but only rudimentary experimental code was released.

Digital banking is part of the broader context for the move to online banking, where banking services are delivered over the internet. The shift from traditional to digital banking has been gradual, remains ongoing, and is constituted by differing degrees of banking service digitization. Digital banking involves high levels of process automation and web-based services and may include AP

A digital card is either a physical item, such as a memory card on a camera, or, increasingly since 2017, the digital content hosted

Digital currency (digital money, electronic money or electronic currency) is any currency, money, or money-like asset that is primarily managed, stored or exchanged on digital computer systems, especially over the internet. Types of digital currencies include cryptocurrency, virtual currency and central bank digital currency. Digital currency may be recorded on a distributed database on

Digital Currency Group Inc. (DCG) is an American investment company focusing on the digital currency market and decentralized technologies. It is headquartered in Stamford, Connecticut. The subsidiaries include Grayscale Investments, Yuma, Foundry, Luno, and Fortitude Mining. It also formerly owned the now-inactive Genesis Global Holdco and CoinDesk.

Digital gold currency (DGC) is a form of digital currency based on mass units of gold. The typical unit of account for such currency is linked to grams or troy ounces of gold, although other units such as the gold dinar are sometimes used. DGCs are backed by gold through unallocated or allocated gold storage. A digital gold currency could be a kind of representative money if it is exchan

Digital Research, Inc. (DR or DRI) was a privately held American software company created by Gary Kildall to market and develop his CP/M operating system and related 8-bit, 16-bit and 32-bit systems like MP/M, Concurrent DOS, FlexOS, Multiuser DOS, DOS Plus, DR DOS and GEM. It was the first large software company in the microcomputer world. Digital Research was originally based in Pacifi

Digital River, Inc. was a privately held company headquartered in Minnetonka, Minnesota that provided global e-commerce, payments and marketing services. In 2013, Digital River reported having processed more than US$30 billion in online transactions. The company filed for Chapter 7 bankruptcy in May 2025.

The digital ruble (Russian: цифровой рубль, romanized: tsifrovoy rubl') is a central bank digital currency (CBDC) issued by the Central Bank of Russia (Bank of Russia). It represents the third official form of the Russian national currency alongside cash and commercial bank deposits, with all forms legally equivalent and exchangeable at par.

A digital wallet, also known as an e-wallet or mobile wallet, is an electronic device, online service, or software program that allows one party to make electronic transactions with another party by exchanging digital currency units for goods and services. This can include purchasing items either online or at the point of sale in a brick-and-mortar store, either using a smartphone or oth

The dinar (, ) is the name of the principal currency unit in several countries near the Mediterranean Sea, with a more widespread historical use. The English word "dinar" is the transliteration of the Arabic دينار (dīnār), which was possibly borrowed via the Syriac dīnarā from the Latin dēnārius.

Dinarak (Al-Mutakamilah for Payments Services via Mobile Phone) is a mobile wallet, money transfer, electronic bill payment, funds disbursement service, licensed by the Central Bank of Jordan under the JoMoPay national switch and launched in late 2015 as Dinarak wallet as part of the Jordanian central bank's efforts to advocate financial inclusion for the un-banked segment of the Jordani

Diners Club International Ltd. (DCI), founded as Diners Club, is a payment network owned by Capital One. Diners Club and its franchises are accepted in over 200 countries and territories. Card issuers operating in approximately 45 countries have exclusive individual licenses to issue cards on the Diners Club network in a given country.

The Diplomatic Area (Arabic: المنطقة الدبلوماسية; transliterated: al-Mantiqah ad-Diblomasiyah) is an area that is located within the Central Business District of Manama, the capital city of Bahrain, an island kingdom in the Persian Gulf.

A direct bank (sometimes called a branch-less bank or virtual bank) is a bank that offers its services only via the Internet, mobile app, email, and other electronic means, often including telephone, online chat, and mobile check deposit. A direct bank has no branch network. It may offer access to an independent banking agent network and may also provide access via ATMs (often through in

A direct debit or direct withdrawal is a mandated financial transaction whereby a payer authorizes a payee to draw varying recurring amounts directly from the payer's bank account, commonly used for billing utilities, loans, and subscriptions. Formally, the organisation that calls for the funds ("the payee") instructs their bank to collect (i.e., debit) an amount directly from another's

Direct market access (DMA) in financial markets is the electronic trading infrastructure that gives investors wishing to trade in financial instruments a way to interact with the order book of an exchange. Normally, trading on the order book is restricted to broker-dealers and market making firms that are members of the exchange. Using DMA, investment companies (also known as buy side fi

A direct public offering (DPO) is a method by which a company can offer an investment opportunity directly to the public.

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.

Discount policy is a policy tool used by central banks to control the money in circulation by raising or lowering interest rates.

The discount window is an instrument of monetary policy (usually controlled by central banks) that allows eligible institutions to borrow money from the central bank, usually on a short-term basis, to meet temporary shortages of liquidity caused by internal or external disruptions.

In economics, dishoarding is the opposite of hoarding. In the case of hoarding emphasized most by macroeconomics, someone increases his or her holdings of money as an asset. People may hoard for safety, expected returns, irrationality, or to diversify assets, rather than using money simply as a medium of exchange for buying goods and services. Thus, dishoarding refer to the reduction of

The Disney Dining Plan is a prepaid meal package that guests staying at Walt Disney World hotels can purchase to receive discounts of up to 30% on food in the complex. It was first introduced in 2005 and has developed in complexity over time, so there are now many different plan forms. The Disney Dining Plan allows guests to eat at park restaurants without needing to have cash on their p

In corporate finance, distressed securities are securities over companies or government entities that are experiencing financial or operational distress, default, or are under bankruptcy. As far as debt securities, this is called distressed debt. Purchasing or holding such distressed-debt creates significant risk due to the possibility that bankruptcy may render such securities worthless

A distributed ledger (also called a shared ledger or distributed ledger technology or DLT) is a system whereby replicated, shared, and synchronized digital data is geographically spread (distributed) across many sites, countries, or institutions. In contrast to a centralized database, a distributed ledger does not require a central administrator, and consequently does not have a single (

Distributed ledger technology law ("DLT law") (also called blockchain law, Lex Cryptographia or algorithmic legal order) is a loosely defined emerging field of law resulting from the recent use of distributed ledger technology in business and government. Those smart contracts which were created through interaction of lawyers and developers and are intended to also be enforceable legal co

In private equity investing, distribution waterfall is a method by which the capital gained by the fund is allocated between the limited partners (LPs) and the general partner (GP).

In financial economics, the dividend discount model (DDM) is a method of valuing the price of a company's capital stock or business value based on the assertion that intrinsic value is determined by the sum of future cash flows from dividend payments to shareholders, discounted back to their present value. The constant-growth form of the DDM is sometimes referred to as the Gordon growth

In finance, a dividend future is an exchange-traded derivative contract that allows investors to take positions on future dividend payments. Dividend futures can be on a single company, a basket of companies, or on an Equity index. They settle on the amount of dividend paid by the company, the basket of companies, or the index during the period of the contract.

The dividend payout ratio is the fraction of net income a firm pays to its stockholders in dividends:

The dividend yield of a share is the ratio of annualised cash dividends to the share's current market price. It is usually expressed as a percentage and is commonly calculated by dividing the annual dividend per share by the current share price.

The Djiboutian franc (Arabic: فرنك, French: Franc, Somali: Faranka, Afar: Faranki) is the currency of Djibouti. Its ISO 4217 currency code is DJF. Historically, it was subdivided into 100 centimes.

The Dodd–Frank Wall Street Reform and Consumer Protection Act, commonly referred to as the Dodd–Frank Act, is a United States federal law enacted on July 21, 2010, as the primary legislative response to the 2007–2008 financial crisis—the worst financial crisis since the Great Depression. Named for its sponsors, Senator Chris Dodd and Representative Barney Frank, the law was signed by Pre

Dogecoin ( DOHJ-koyn or DOHZH-koyn, Abbreviation: DOGE; sign: Ð) is a cryptocurrency created by software engineers Billy Markus and Jackson Palmer, who decided to create a payment system as a joke, making fun of the wild speculation in cryptocurrencies at the time. It is considered both the first "meme coin", and more specifically the first "dog coin". Despite its satirical nature, some

Domestic liability dollarization (DLD) pertains to the denomination of banking system deposits and loaning in a currency other than that of the country in which they are held. DLD does not refer exclusively to denomination in US dollars, as DLD encompasses accounts denominated in internationally traded "hard" currencies such as the British pound sterling, the Swiss franc, the Japanese ye

Double-spending is the unauthorized spending of the same money (either digital or conventional) more than once. As with counterfeit money, double-spending leads to supply inflation by creating a new amount of copied currency that did not previously exist. It can also devalue the currency and diminish user trust in the currency.

The drawdown is the measure of the decline from a historical peak in some variable (typically the cumulative profit or total open equity of a financial trading strategy).

Drecom Co., Ltd. (株式会社ドリコム, Kabushiki Gaisha Dorikomu) is a Japanese software, web, video game development and video game publishing company. Subsidiaries Drecom Media and DRE Novels publish light novels.

In economics, a dual exchange rate is the occurrence of two different values of a currency for different sets of monetary transactions. One of the most common types consists of a government setting one exchange rate for specific transactions involving foreign exchange and another exchange rate governing other transactions.

The Dubai Gold & Commodities Exchange (DGCX) is a financial and commodity derivatives exchange located in Dubai, the United Arab Emirates. DGCX commenced trading in November 2005 as the first derivatives exchange in the Middle East and North Africa (MENA) region. The Exchange is owned by the Dubai Multi Commodities Centre (DMCC).

The Dubai Mercantile Exchange (DME) is a commodity exchange based in Dubai currently listing its flagship futures contract, DME Oman Crude Oil Futures Contract (OQD). Launched in 2007, the DME aims to become the crude oil pricing benchmark for the Asian market with its Oman Crude Oil contract, like the Intercontinental Exchange’s (ICE) North Sea Brent is to Europe and the New York Mercan

Dumbell's Bank was a bank in the Isle of Man. The bank's insolvency in 1900, known as Black Saturday and referred to in the Isle of Man as the Dumbell's Bank Crash, resulted in a run on the bank with many individuals losing their life savings and the ruin of numerous local businesses causing poverty, depression and bankruptcy. The effects were profound and lasted for a considerable numbe

Dupont analysis is a tool used in financial analysis, where return on equity (ROE) is separated into its component parts.

In finance, duration is a measure of how the price of a fixed-income instrument responds to a change in interest rates. It is used to compare rate risk across bonds and to construct hedges, and is often paired with convexity and the price value of a basis point. Duration-based estimates work best for small, parallel shifts in the yield curve.

In finance and accounting, and particularly in asset and liability management (ALM), the duration gap measures how well matched are the timings of cash inflows (from assets) and cash outflows (from liabilities), and is then one of the primary asset–liability mismatches considered in the ALM process.

The Durbin amendment, implemented by Regulation II, is a provision of United States federal law, 15 U.S.C. § 1693o-2, that requires the Federal Reserve to limit fees charged to retailers for debit card processing. It was passed as part of the Dodd–Frank financial reform legislation in 2010, as a last-minute addition by Dick Durbin, a senator from Illinois, after whom the amendment is nam

Dwolla is a United States-only fintech company that provides businesses with a connection to the ACH Network or RTP Network (Clearing House’s privately owned real-time payments network).

Dynamic currency conversion (DCC) or cardholder preferred currency (CPC) is a process whereby the amount of a credit card transaction is converted at the point of sale, ATM or internet to the currency of the card's country of issue. DCC is generally provided by third party operators in association with the merchant, and not by a card issuer. Card issuers permit DCC operators to offer DCC

e-Bullion was an Internet-based digital gold currency founded by Jim and Pamela Fayed of Moorpark, California, as part of their Goldfinger Coin & Bullion group of companies. The company was incorporated in 2000 and launched on July 4, 2001. Similar to competing systems such as e-gold, e-Bullion allowed for the instant transfer of gold and silver between user accounts. e-Bullion was a reg

An e-commerce payment system (or an electronic payment system) facilitates the acceptance of electronic payment for offline transfer, also known as a subcomponent of electronic data interchange (EDI). E-commerce payment systems have become increasingly popular due to the widespread use of internet-based shopping and banking.