XPayIndustry WIKIBack to home
XPAY KNOWLEDGE

Industry WIKI

Digital assets and currencies

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

Trading basics

2020 Twitter account hijacking

On July 15, 2020, between 20:00 and 22:00 UTC, 130 high-profile Twitter accounts were compromised by outside parties to promote a bitcoin scam. Hackers used social engineering against Twitter employees to gain access to administrative tools, allowing them to post the tweets directly. The scam tweets asked individuals to send bitcoin currency to a specific cryptocurrency wallet, with the

Trading basics

2025 Czech government Bitcoin scandal

The 2025 Czech government Bitcoin scandal was a scandal in the Czech Republic that involved a donation of 468 Bitcoins to the country's Ministry of Justice. The Czech daily newspaper, Deník N, reported that the Minister of Justice, Pavel Blažek, accepted the donation from Tomáš Jiřikovský, which was worth one billion Czech koruna at the time (approximately $45,000,000 USD). Jiřikovský ha

Trading basics

Agile marketing

Agile marketing, often termed marketing agility or international marketing agility, comprises sensemaking, speed, iteration, and marketing decisions; marketing decisions are performed in an agile manner, using principles from the Manifesto for Agile Software Development. Marketing Agility was named a research priority for 2020-2022 by the Marketing Science Institute.

Trading basics

Assassination market

An assassination market is a prediction market where any party can place a bet (using anonymous electronic money and pseudonymous remailers) on the date of death of a given individual. This incentivises assassination of the individual, as parties with advance knowledge of an assassination plot can profit by betting accurately on the date of the death. Because the payoff is for accurately

Banking

Bank fraud

Bank fraud is the use of potentially illegal means to obtain money, assets, or other property owned or held by a financial institution, or to obtain money from depositors by fraudulently posing as a bank or other financial institution. In many instances, bank fraud is a criminal offence.

Trading basics

Banking as a service

Banking as a service (BaaS) is the provision of banking products (such as deposit accounts, loans and credit cards) to customers through non-bank or non-financial third party partnerships. The bank provides the balance sheet management, including capital, liquidity and credit risk management, while the partner company (typically a fintech) interacts directly with the customer via their p

Securities & exchanges

Boiler room (business)

In business, a boiler room is an outbound call center selling questionable investments by telephone. It usually refers to a room where salespeople work using unfair, dishonest sales tactics, sometimes selling penny stocks or private placements or committing outright stock fraud. A common boiler room tactic is the use of falsified and bolstered information in combination with verified com

Finance

Corporate surveillance

Corporate surveillance describes the practice of businesses monitoring and extracting information from their users, clients, or staff. This information may consist of online browsing history, email correspondence, phone calls, location data, and other private details. Acts of corporate surveillance frequently look to boost results, detect potential security problems, or adjust advertisin

Assets

Cryptojacking

Cryptojacking is the act of exploiting a computer to mine cryptocurrencies, often through websites, against the user's will or while the user is unaware. One notable piece of software used for cryptojacking was Coinhive, which was used in over two-thirds of cryptojacks before its March 2019 shutdown. The cryptocurrencies mined the most often are privacy coins—coins with hidden transactio

Finance

David Chaum

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

Finance

Digital banking

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

Banking

Direct bank

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

Payments & settlement

Gift card

A gift card, also known as a gift certificate in North America, or gift voucher or gift token in the UK, is a prepaid stored-value money card, usually issued by a retailer or bank, to be used as an alternative to cash for purchases within a particular store or related businesses. Gift cards are also given out by employers or organizations as rewards or gifts. They may also be distributed

Payments & settlement

Interac e-Transfer

Interac e-Transfer (formerly Interac Email Money Transfer or EMT) is a Canadian funds transfer service between personal and business accounts in participating Canadian banks and other financial institutions, offered through Interac Corporation.

Payments & settlement

JPay

JPay is a privately held information technology and financial services provider focused on serving the United States prison system. With headquarters in Miramar, Florida, the company contracts with state, county, and federal prisons and jails to provide technologies and services including money transfer, email, video visitation and parole and probation payments to approximately 1.5 mill

Payments & settlement

Line (software)

Line (stylized in all caps) is a Japanese freeware app and service for instant messaging and social networking, operated by the Japanese company LY Corporation, co-owned by SoftBank Group and Naver. Line was launched in Japan in June 2011 by NHN Japan, a subsidiary of Naver.

Trading basics

Marketing failure

Marketing failure is when a commercial marketing effort by a business fails to accomplish anything positive, or alternately when a commercial product is either totally or mostly rejected by its potential customers.

Securities & exchanges

Microcap stock fraud

Microcap stock fraud is a form of securities fraud involving stocks of "microcap" companies, generally defined in the United States as those with a market capitalization of under $250 million. Its prevalence has been estimated to run into the billions of dollars a year. Many microcap stocks are penny stocks, which the SEC defines as a security that trades at less than $5 per share, is no

Assets

Proof of space

Proof of space (PoS) is a type of consensus algorithm achieved by demonstrating one's legitimate interest in a service (such as sending an email) by allocating a non-trivial amount of memory or disk space to solve a challenge presented by the service provider. The concept was formulated in 2013 by Dziembowski et al. and (with a different formulation) by Ateniese et al..

Trading basics

WinCapita

WinCapita, previously WinClub and GiiClub, was a Finnish Internet-based Ponzi scheme that advertised itself as a private investment club engaged in currency trading. In reality, it was a bucket shop like many other foreign exchange fraud schemes. It operated mainly in Finland, with a smaller number of members also in Sweden. The operation collected about 100 million euros from more than