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Digital assets and currencies

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

Trading basics

4690 Operating System

4690 Operating System (sometimes shortened to 4690 OS or 4690) is a specially designed point of sale (POS) operating system, originally sold by IBM. In 2012, IBM sold its retail business, including this product, to Toshiba, which assumed support. 4690 is widely used by IBM and Toshiba retail customers to run retail systems which run their own applications and others. Retailers have used

Finance

Aave

Aave is a decentralized finance protocol (DeFi) that enables the lending and borrowing of cryptocurrencies without the involvement of intermediary financial institutions.

Assets

BitClout

BitClout was an open source blockchain-based social media platform. On the platform, users could post short-form writings and photos, award money to posts they particularly like by clicking a diamond icon, as well as buy and sell "creator coins" (personalized tokens whose value depends on people's reputations). BitClout ran on a custom proof of work blockchain, and was a prototype of wha

Payments & settlement

BTCPay Server

BTCPay Server is a free and open-source, self-hosted Bitcoin payment processor created in 2017 by Nicolas Dorier. The software allows merchants to accept bitcoin payments directly to their own wallets rather than through a centralized processor, and supports both on-chain Bitcoin and Lightning Network payments.

Networks

Cardano (blockchain platform)

Cardano is a public decentralized blockchain platform which uses the cryptocurrency, ADA, to facilitate transactions.

Finance

Computer Associates

Computer Associates International, Inc., later CA, Inc., and CA Technologies, Inc., was an American multinational enterprise software developer and publisher that existed from 1976 to 2018. CA grew to rank as one of the largest independent software corporations in the world, and at one point was the second largest. The company created system software (and for a while applications softwar

Networks

Confidential Consortium Framework

Originally developed in 2019 by Microsoft under the name Coco and later rebranded to Confidential Consortium Framework (CCF), it is an open-source framework for developing of a new category of performant applications that focuses on the optimization of secure multi-party computation and data availability. Intended to accelerate the adoption of blockchain technology by enterprises, CCF ca

Assets

Decentraland

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.

Trading basics

Digital Research

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

Trading basics

ERPNext

ERPNext is a free and open-source integrated enterprise resource planning (ERP) software developed by an Indian software company Frappe Technologies Pvt. Ltd. It is built on the MariaDB database system using Frappe, a Python based server-side framework.

Networks

Ethereum

Ethereum is a decentralized blockchain with smart contract functionality. Ether (abbreviation: ETH) is the native cryptocurrency of the platform. Among cryptocurrencies, ether is second only to bitcoin in market capitalization. It is open-source software.

Assets

Firo (cryptocurrency)

Firo, formerly known as Zcoin, is a cryptocurrency aimed at using cryptography to provide better privacy for its users compared to other cryptocurrencies such as Bitcoin.

Trading basics

Focus (programming language)

FOCUS is a fourth-generation programming language (4GL) computer programming language and development environment that is used to build database queries. Produced by Information Builders Inc., it was originally developed for data handling and analysis on the IBM mainframe. Subsequently versions for minicomputers and such as the VAX and other platforms were implemented. FOCUS was later ex

Banking

Hardware security module

A hardware security module (HSM) is a physical computing device that safeguards and manages secrets (most importantly digital keys), and performs encryption and decryption functions for digital signatures, strong authentication and other cryptographic functions. These modules traditionally come in the form of a plug-in card or an external device that attaches directly to a computer or ne

Finance

International Securities Identification Number

An International Securities Identification Number (ISIN) is a code that uniquely identifies a security globally for the purposes of facilitating clearing, reporting and settlement of trades. Its structure is defined in ISO 6166. The ISIN code is a 12-character alphanumeric code that serves for uniform identification of a security through normalization of the assigned National Number, whe

Finance

ISO 10962

ISO 10962, known as Classification of Financial Instruments (CFI), is a six-letter-code used in the financial services industry to classify and describe the structure and function of a financial instrument (in the form of security or contract) as part of the instrument reference data. It is an international standard approved by the International Organization for Standardization (ISO). CF

Finance

ISO 15022

ISO 15022 is an ISO standard for securities messaging used in transactions between financial institutions. Participants in the financial industry need a common representation of the financial transactions they perform and this standard defines general message schema, which in turn are used by organizations to define messages in a complete and unambiguous way. This results in efficiency,

Trading basics

ISO 20022

ISO 20022 is an ISO standard for electronic data interchange between financial institutions. It describes a metadata repository containing descriptions of messages and business processes, and a maintenance process for the repository content. The standard covers financial information transferred between financial institutions that includes payment transactions, securities trading and sett

Payments & settlement

ISO 8583

ISO 8583 is an international standard for financial transaction card originated interchange messaging. It is the International Organization for Standardization standard for systems that exchange electronic transactions initiated by cardholders using payment cards.

Finance

ISO 9362

ISO 9362 is an international standard for Business Identifier Codes (BIC), a unique identifier for business institutions, approved by the International Organization for Standardization (ISO). BIC is also known as SWIFT-BIC, SWIFT ID, or SWIFT code, after the Society for Worldwide Interbank Financial Telecommunication (SWIFT), which is designated by ISO as the BIC registration authority.

Finance

ISO 9564

ISO 9564 is an international standard for personal identification number (PIN) management and security in financial services.

Securities & exchanges

Jane Street Capital

Jane Street Capital is an American electronic market making company headquartered in Manhattan, New York City. It is one of the largest market making firms in the United States along with Virtu and Citadel Securities. It employs approximately 3,000 people across its global offices, and trades across more than twenty countries.

Payments & settlement

Klarna

Klarna Group plc is a Swedish financial technology company and digital bank. Founded in 2005 in Stockholm, Sweden, Klarna provides digital payments, short-term consumer credit, cards, banking services and merchant tools for online and in-store commerce. It is listed on the New York Stock Exchange and is best known for buy now, pay later payment products.

Finance

Legal Entity Identifier

The Legal Entity Identifier (LEI) is a unique global identifier for legal entities participating in financial transactions. Also known as an LEI code or LEI number, its purpose is to help identify legal entities on a globally accessible database. Legal entities are organizations such as companies or government entities that participate in financial transactions. An individual person may

Banking

Magnetic ink character recognition

Magnetic ink character recognition code, known in short as MICR code, is a character recognition technology used mainly by the banking industry to streamline the processing and clearance of cheques and other documents. MICR encoding, called the MICR line, is at the bottom of cheques and other vouchers and typically includes the document-type indicator, bank code, bank account number, che

Finance

Market Identifier Code

The Market Identifier Code (MIC) (ISO 10383) is a unique identification code used to identify securities trading exchanges, regulated and non-regulated trading markets. The MIC is a four alphanumeric character code, and is defined in ISO 10383 by the International Organization for Standardization (ISO). For example, the US NASDAQ market is identified by MIC XNAS.

Finance

MetaTrader 4

MetaTrader 4, also known as MT4, is an electronic trading platform widely used by online retail foreign exchange speculative traders. It was developed by MetaQuotes Software and released in 2005. The software is licensed to foreign exchange brokers who provide the software to their clients. The software consists of both a client and server component. The server component is run by the br

Fiat currencies

Microsoft Points

Microsoft Points, introduced in November 2005 as Xbox Live Points, were a digital currency issued by Microsoft for use on its Xbox and Zune product lines. Points could be used to purchase video games and downloadable content from Xbox Live Marketplace, digital content such as music and videos on Zune Marketplace, along with content from Windows Live Gallery.

Assets

NEO (blockchain)

Neo is a blockchain-based cryptocurrency and application platform used to run smart contracts and decentralized applications. The project, originally named Antshares, was founded in 2014 by Da HongFei and Erik Zhang and rebranded as Neo in 2017. In 2017 and 2018, it became popular in China despite the recently enacted prohibition on cryptocurrency in that country.

Trading basics

Palo (OLAP database)

Palo is a memory resident multidimensional (online analytical processing (OLAP) or multidimensional online analytical processing (MOLAP)) database server and typically used as a business intelligence tool for controlling and budgeting purposes with spreadsheet software acting as the user interface. Beyond the multidimensional data concept, Palo enables multiple users to share one central

Trading basics

Point-of-sale malware

Point-of-sale malware (POS malware) is usually a type of malicious software (malware) that is used by cybercriminals to target point of sale (POS) and payment terminals with the intent to obtain credit card and debit card information, a card's track 1 or track 2 data and even the CVV code, by various man-in-the-middle attacks, that is the interception of the processing at the retail chec

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

Finance

Spoofing (finance)

Spoofing is a disruptive algorithmic trading activity employed by traders to outpace other market participants and to manipulate markets. Spoofers feign interest in trading futures, stocks, and other products in financial markets creating an illusion of the demand and supply of the traded asset. In an order driven market, spoofers post a relatively large number of limit orders on one sid

Trading basics

Stock market simulator

A stock market simulator is computer software that reproduces behavior and features of a stock market, so that a user may practice trading stocks without financial risk. Paper trading, sometimes also called "virtual stock trading", is a simulated trading process in which would-be investors can practice investing without committing money.

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

Networks

Urbit

In computing, Urbit is a decentralized personal server platform based on functional programming in a peer-to-peer network.