POS

Bank or payment institution that signs merchants and routes their card transactions into the card networks.

Mobile wallet by Apple that tokenizes cards for contactless and in-app payments.

Unauthorized card use or theft of credentials to initiate transactions.

Payment network (e.g., Visa/Mastercard) that sets rules and routes card transactions between issuers and acquirers.

Transactions where the physical card is read at POS (chip, contactless, or magstripe).

A forced payment reversal initiated by the cardholder’s bank after disputing a transaction.

Card that lets cardholders borrow up to a limit and repay later; funds settle via the issuing bank.

Card that pulls funds directly from a bank account at purchase time.

Application that stores payment instruments and enables checkout with tokens or credentials.

A fee withheld by a payment provider from each transaction, effectively reducing the payout.

Tools and models that score transactions or accounts to block or step-up risky activity.

Domestic debit card system (e.g., Germany) that clears directly against bank accounts via local rails.

Google’s wallet that tokenizes cards for contactless, in-app, and web payments.

Temporary reservation of money before capture or payout, often for risk or authorization checks.

Fee paid by the acquirer to the issuer on each card transaction; funds scheme incentives and risk.

Bank or fintech that issues payment cards to cardholders and authorizes their transactions.

Identity and business verification required to onboard customers or merchants and prevent financial crime.

A business that accepts payments for goods or services via card or alternative rails.

A service provider that routes payment data between merchants, acquirers, and schemes.

Security framework that sets technical and procedural requirements for handling cardholder data.

The place and system where in-person sales are captured, payments are taken, and receipts are issued.