Data Warehouse - Answers a collection of information gathered from an assortment of external and
operational databases to facilitate reporting for decision making and business analysis
Decision Support System - Answers data warehouses are designed to facilitate decision making using
this
Business Intelligence - Answers a computer-based technique for accumulating and analyzing data
from databases and data warehouses to support managerial decision making
Web Crawler - Answers one way that firms may gather business intelligence - systematically browses
the World Wide Wed collecting information
Data Mining - Answers a process using sophisticated statistical techniques to extract and analyze data
from large databases to discern patterns and trends that were not previously known; often to find
patterns in stock prices to assist technical financial stock market analysts, or in commodities or
currency trading
Digital Dashboard - Answers designed to track the firm process or performance indicators or metrics
to monitor critical performance
Extensible Business Reporting Language (XBRL) - Answers based on the XML language; available for
various uses including reporting on the firm's web site, filing to regulators (SEC, IRS) and providing
information to other interested parties such as financial analysts, loan officers, and investors
XBRL Taxonomy - Answers defines and describes each key element (ex. total assets, accounts
payable, net income)
XBRL Instance Documents - Answers contain the actual dollar amounts or the details of each of the
XBRL elements within the firm's XBRL database
XBRL Style Sheets - Answers take the instance documents and add presentation elements to make
them readable by humans
XBRL Global Ledger Taxonomy (GL) - Answers allows the representation of anything that is found in a
chart of accounts, journal entries or historical transactions, financial and non-financial
Facts - Answers raw accounting data
Data Marts - Answers represent a slice of data from the data warehouse to meet a specific need
Smart Contracts - Answers logic and business rules pulled into these contracts represented in code by
blockchain 2.0
Blockchain - Answers system where transactions are done without any middleman, much faster
transaction time, and lower service fees than a traditional system
Proof of Work - Answers requires the miners to use computer power so it can prevent attacks as it
requires tons of computer powers to overcome
Proof of Authority - Answers the administrator identifies who creating blocks are known and
reputable; the rest of the network can vote for admin removal in case of malicious behavior found in
the network
Proof of Stake - Answers a set of validators who propose the next block lock up an amount of their
cryptocurrency as a deposit to ensure honest behavior; reduces computer costs and centralization
risks
Bitcoin - Answers the first cryptocurrency; anonymous peer-to-peer transactions (no middleman
involved); public blockchain - anyone can join or leave at any time; immutable history of transactions,
one block is added to the blockchain approximately every 10 minutes
Ethereum - Answers one block is added every 10-12 seconds; transaction fees differ by
computational complexity; mining occurs at a constant rate; lower transaction fee
Ethereum Virtual Machine - Answers use to run the Ethereum smart contracts
Public Blockchain - Answers permissionless blockchain; no access restrictions in viewing or
participation; offers economic reward for the computational proof of work in mining
Private Blockchain - Answers permissioned blockchain/Enterprise blockchain; requires permission to
join the network; transaction data and validation are restricted
Consortium Blockchain - Answers permissioned blockchain that allows several organizations to
participate in; administrators establish the access rights and permissions (private channels) for each
participant; executed only on a limited set of trusted nodes; permit more complicated enterprise
behaviors
Corda - Answers developed by R3; uses smart contracts for its business rules; only relevant parties
can join the network; only related parties will be informed for each transactions; the administrators