📘Glossary – Introduction

Whether you’re a founder, investor, or simply curious about the world of financial technology, this glossary will help you make sense of key terms shaping the fintech landscape. From payments and digital banking to blockchain and compliance, we’ve curated clear, concise definitions of the most important concepts in fintech today.


Go to: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
A
  • Account Aggregation
    Combining data from multiple accounts into one view.
  • Acquiring Bank
    A bank that processes card payments for merchants.
  • AI in Fintech
    Using artificial intelligence to automate financial processes.
  • Alternative Lending
    Non-bank lending models such as peer-to-peer platforms.
  • AML (Anti-Money Laundering)
    Measures to prevent illegal financial activity.
  • APIs (Application Programming Interfaces)
    Allow different software systems to communicate.
  • Asset Tokenization
    Turning real-world assets into digital tokens on a blockchain.
  • ATM Withdrawal Fee
    Charge for withdrawing cash from an ATM not operated by your bank.

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B
  • BaaS (Banking-as-a-Service)
    Enables fintechs to offer banking services via APIs.
  • Blockchain
    A decentralized ledger for secure digital transactions.
  • BNPL (Buy Now, Pay Later)
    Short-term financing allowing consumers to pay over time.
  • Bank Charter
    License that allows a company to operate as a bank.
  • Basel III
    Global regulatory framework for banks to manage risk and capital.
  • Biometric Authentication
    Using physical traits like fingerprints to verify identity.
  • Bitcoin
    The first decentralized cryptocurrency, launched in 2009.
  • Behavioral Finance
    Study of psychological influences on financial decisions.

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C
  • CBDC (Central Bank Digital Currency)
    Digital form of central bank-issued money.
  • Crowdfunding
    Raising small amounts of money from many individuals online.
  • Cryptocurrency
    Digital currency using cryptography for security.
  • Custodial Wallet
    A digital wallet where a third party holds the private keys.
  • Credit Score
    A numerical rating representing a person’s creditworthiness.
  • Card-Not-Present Transaction
    Payment made without the physical card, typically online.
  • Compliance Tech
    Technology that helps companies meet regulatory requirements.
  • Chargeback
    A transaction reversal requested by a cardholder’s bank.

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D
  • DeFi (Decentralized Finance)
    Financial services built on blockchain, without intermediaries.
  • Due Diligence
    Investigation process before a financial transaction or investment.
  • Digital Identity
    Online identity used to access financial services.
  • Digital Banking
    Banking services accessible through digital platforms.
  • Digital Wallet
    App or software used to store payment information securely.
  • Data Privacy
    Protection of personal and financial information in fintech systems.
  • Direct Debit
    Automatic withdrawal of funds from an account for payments.
  • Disintermediation
    Removal of intermediaries in financial transactions, often via tech.

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E
  • Embedded Finance
    Integration of financial services into non-financial platforms.
  • Exchanges
    Marketplaces for trading digital assets, like crypto or stocks.
  • eKYC (Electronic Know Your Customer)
    Digital process for verifying customer identity.
  • ESG Investing
    Investing that considers environmental, social, and governance factors.
  • ETF (Exchange-Traded Fund)
    A basket of securities traded on an exchange like a stock.
  • Encryption
    Securing data by converting it into a code.
  • Equity Crowdfunding
    Raising capital online by offering equity to investors.
  • Escrow
    Funds held by a third party until conditions are met.

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F
  • Fintech
    Technology-driven innovation in financial services.
  • Factoring
    Financial transaction where a business sells its invoices for upfront cash.
  • Financial Inclusion
    Providing access to useful and affordable financial services to underserved populations.
  • Flash Loan
    A type of uncollateralized loan used in DeFi, repaid in the same transaction.
  • Fiat Currency
    Government-issued currency not backed by a physical commodity.
  • Fraud Detection
    Systems that identify suspicious financial activities.
  • Funding Round
    Stage in a startup’s lifecycle where capital is raised from investors.
  • FX (Foreign Exchange)
    The global marketplace for currency trading.

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G
  • Gamification
    Using game design elements to engage users in financial apps.
  • GDPR
    EU regulation for data protection and privacy.
  • Gig Economy
    Labor market based on short-term, flexible jobs, often served by fintech apps.
  • Growth Equity
    Investment in mature companies to accelerate expansion without control changes.
  • Gross Merchandise Value (GMV)
    Total sales dollar value for merchandise sold through a platform.
  • Green Finance
    Financial activities that support sustainable and environmental objectives.
  • Governance Token
    A token allowing holders to vote on decisions in a DeFi project.
  • Global Payments
    Infrastructure and services enabling cross-border financial transactions.

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H
  • Hash Function
    Cryptographic method used to secure blockchain data.
  • High-Frequency Trading (HFT)
    Algorithmic trading executed at extremely high speeds.
  • Hard Fork
    A radical change to a blockchain protocol that is not backward compatible.
  • Hedge Fund
    Investment fund using advanced strategies to maximize returns.
  • Hybrid Bank
    Institution combining digital-first services with physical branches.
  • Halving
    An event in crypto mining where the reward for mining is reduced by half.
  • Hot Wallet
    Crypto wallet connected to the internet, suitable for frequent use.
  • Human-in-the-Loop (HITL)
    AI system design where human oversight is built into automated decisions.

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I
  • IBAN
    International Bank Account Number used for cross-border payments.
  • ICO (Initial Coin Offering)
    Fundraising method in crypto, offering new tokens to investors.
  • Insurtech
    Use of technology to disrupt and improve the insurance industry.
  • Interchange Fee
    Fee paid between banks for processing card-based transactions.
  • Interest Rate
    Percentage charged on borrowed money or earned on deposits.
  • Identity Verification
    Process of confirming a user’s identity for regulatory compliance.
  • Institutional Investor
    Entities like pension funds or insurance companies that invest large sums.
  • Inflation Hedging
    Investments designed to protect against the eroding value of money.

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J
  • J-Curve
    Investment pattern where initial losses are followed by gains over time.
  • Joint Account
    Bank account shared by two or more individuals.
  • JobTech
    Fintech tools focused on job matching and income smoothing.
  • Jumpstart Our Business Startups (JOBS) Act
    U.S. law easing securities regulations for startups and small businesses.
  • Jurisdiction Risk
    Legal risk of operating in specific countries or regions.
  • Just-in-Time Funding
    Real-time disbursement of capital when needed, common in gig economy platforms.
  • Junior Debt
    Subordinated debt that is repaid after senior debt in case of default.

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K
  • KYC (Know Your Customer)
    Process of verifying a customer’s identity to prevent financial crime.
  • Kiosk Banking
    Banking services offered through self-service kiosks in rural or remote areas.
  • Key Performance Indicator (KPI)
    Metrics used to track performance against business objectives.
  • Key Management System
    Secure systems to manage cryptographic keys for digital transactions.
  • Kyber Network
    On-chain liquidity protocol in the DeFi ecosystem.
  • Kiting
    Illegal practice of taking advantage of the float time in bank transfers.

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L
  • Ledger
    A record of financial transactions; in fintech, often refers to a blockchain ledger.
  • Liquidity
    Ease of converting assets into cash without affecting market price.
  • Loan Origination
    Process by which a borrower applies for a loan and a lender processes it.
  • Late Payment Fee
    Penalty charged for failing to make a payment on time.
  • Limit Order
    Order to buy or sell a security at a specified price or better.
  • Layer 2
    Scalable blockchain solutions built on top of Layer 1 networks.
  • Loyalty Program
    Rewards system used by financial platforms to encourage customer retention.
  • LTV (Loan-to-Value)
    Ratio used to assess risk in lending, calculated as loan amount divided by asset value.

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M
  • Mobile Banking
    Accessing banking services via mobile apps.
  • Micropayments
    Small-value online transactions, often used in digital content and gaming.
  • Machine Learning
    Type of AI that enables systems to learn from data and improve over time.
  • Multisig Wallet
    Crypto wallet requiring multiple keys to authorize a transaction.
  • Money Market Fund
    Mutual fund that invests in short-term, high-quality financial instruments.
  • Margin Call
    Request by a broker for an investor to deposit more funds to cover losses.
  • Merchant Acquirer
    A financial institution that processes credit/debit card payments on behalf of a merchant.
  • Mobile Wallet
    App that stores payment card information on a smartphone for digital payments.

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N
  • Neobank
    Digital-only bank offering services without physical branches.
  • NFC (Near Field Communication)
    Technology enabling contactless payments via short-range communication.
  • Net Interest Margin
    Difference between interest earned and interest paid by banks.
  • Non-Performing Loan (NPL)
    Loan on which the borrower is not making interest payments or repaying principal.
  • Network Effects
    When the value of a product or service increases as more people use it.
  • Node
    A participant in a blockchain network that maintains a copy of the ledger.
  • Natural Language Processing (NLP)
    AI technique used in chatbots and robo-advisors to understand human language.

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O
  • Open Banking
    System that allows third-party access to banking data via APIs.
  • Overdraft
    When withdrawals from a bank account exceed the available balance.
  • Options
    Financial contracts giving the right to buy or sell an asset at a set price.
  • Order Book
    List of buy and sell orders for a specific asset on an exchange.
  • Onboarding
    Customer registration and identity verification process in fintech platforms.
  • Open Finance
    Expanded version of open banking covering all financial products, not just payments.
  • Oracle
    Service that provides external data to a blockchain smart contract.
  • Overcollateralization
    Using more assets than needed as collateral to reduce risk in lending.

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P
  • Payment Gateway
    Technology that enables merchants to accept card payments online.
  • Peer-to-Peer (P2P) Lending
    Lending model connecting borrowers directly with individual lenders.
  • PSD2
    EU regulation promoting secure and open payment services and data sharing.
  • Proof of Stake (PoS)
    Consensus mechanism where validators are chosen based on token ownership.
  • Private Equity
    Investment in companies not listed on public exchanges.
  • Portfolio Management
    Strategic management of financial assets to achieve specific goals.
  • Payment Initiation Service Provider (PISP)
    Third-party provider that initiates payments on behalf of users under PSD2.
  • Personal Finance App
    Digital tool for budgeting, saving, and tracking financial goals.

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Q
  • QR Code Payment
    Payment method where users scan a code to complete a transaction.
  • Quantitative Easing
    Monetary policy where central banks inject money into the economy by buying securities.
  • Quant Fund
    Investment fund driven by quantitative analysis and algorithmic trading strategies.
  • Qualified Custodian
    Financial institution approved to hold client assets on behalf of others.
  • Quorum
    Permissioned blockchain framework for enterprise use based on Ethereum.

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R
  • Robo-Advisor
    Automated platform providing algorithm-driven financial planning services.
  • RegTech
    Technology that streamlines regulatory compliance processes for financial institutions.
  • Risk Management
    Identification and mitigation of financial risks in investments or lending.
  • Remittance
    Money transfers sent by migrants to individuals in their home countries.
  • Recurring Payments
    Automatic payments made at regular intervals, often used in subscriptions.
  • Real-Time Payments (RTP)
    Payments that are processed and settled instantly, 24/7.
  • Revenue-Based Financing
    Alternative funding where repayment is based on a percentage of monthly revenue.
  • Risk Scoring
    Credit evaluation model used to assess borrower reliability.

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S
  • Stablecoin
    Cryptocurrency pegged to a stable asset, such as fiat currency.
  • SaaS (Software-as-a-Service)
    Cloud-based delivery of software applications via subscription.
  • Smart Contract
    Self-executing contracts with terms directly written into code.
  • Savings Account
    Bank account that earns interest and allows limited transactions.
  • SandBox
    Regulatory environment allowing fintechs to test products under relaxed rules.
  • Series A/B/C Funding
    Stages of venture capital fundraising based on business growth and valuation.
  • Security Token
    Digital asset representing ownership of a tradable security.
  • Synthetic Asset
    Financial instruments mimicking the value of real-world assets using blockchain.

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T
  • Tokenization
    Conversion of rights to an asset into a digital token on a blockchain.
  • Term Loan
    Loan granted for a specific amount and term with fixed repayments.
  • Trade Finance
    Financial instruments that facilitate international trade transactions.
  • Transaction Fee
    Fee charged for executing a financial transaction, such as a crypto transfer.
  • Tier 1 Capital
    Core capital held by banks to sustain operations and absorb losses.
  • Third-Party Risk
    Risk arising from outsourced services or partnerships.
  • Treasury Management
    Managing an organization’s liquidity, investments, and financial risk.
  • Token Sale
    Event where digital tokens are sold to raise capital, similar to an ICO.

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U
  • UBO (Ultimate Beneficial Owner)
    The person who ultimately owns or controls a company or asset.
  • Underwriting
    Evaluation process for assessing risk before issuing insurance or loans.
  • Unbanked
    Individuals without access to traditional banking services.
  • Usage-Based Pricing
    Revenue model where users are charged based on how much they consume.
  • Utility Token
    Digital token used to access a product or service within a blockchain ecosystem.
  • Uptime
    The time a system or service remains operational and available.

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V
  • Virtual Card
    Digital-only payment card used for online transactions.
  • Volatility
    The degree of variation in asset prices over time.
  • Venture Capital
    Financing provided to early-stage, high-potential startups.
  • Validator
    Network participant responsible for verifying transactions on a blockchain.
  • Value Chain
    The series of steps a company takes to deliver a product or service.

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W
  • Wallet
    Software or hardware used to store cryptocurrencies securely.
  • WealthTech
    Technology used to provide wealth management and investment services.
  • Wire Transfer
    Electronic transfer of funds between financial institutions.
  • White Label
    A generic product that companies can rebrand and sell as their own.
  • Withdrawal Limit
    The maximum amount a user can withdraw from an account or ATM.
  • Whale
    A person or entity holding large amounts of cryptocurrency, often influencing markets.

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X
  • XBRL (eXtensible Business Reporting Language)
    Standard for exchanging business and financial data electronically.
  • XRP
    Digital currency native to the Ripple network, used for cross-border payments.

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Y
  • Yield
    Return on investment, typically expressed as a percentage.
  • Yield Farming
    Practice in DeFi of earning rewards by lending or staking crypto assets.
  • Year-to-Date (YTD)
    Measurement of performance or returns from the beginning of the year to date.
  • Yield Curve
    A graph that plots interest rates of bonds with equal credit quality but differing maturity dates.

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Z
  • ZKP (Zero-Knowledge Proof)
    A cryptographic method that proves something is true without revealing the information itself.
  • Zelle
    U.S.-based peer-to-peer payment system for instant bank transfers.
  • Zoning
    Refers to the categorization of areas in urban planning — in fintech, metaphorically used in risk segmentation or product access levels.
  • Z-Score
    Statistical measurement indicating how far a data point is from the mean, used in credit risk models.

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