QR Checkout
A QR checkout presents a machine-readable payment request that a customer scans with a wallet or payment application. The code may contain…
Glossary terms starting with Q
Numbers and symbols are grouped under #. Letter matching ignores case and uses the first displayed title character.
QR Code Phishing (Quishing)
QR code phishing, or quishing, uses a deceptive QR code to direct a person to a malicious site, payment address, application, credential…
QR POS Payment
A QR POS payment is a point-of-sale transaction initiated when a customer scans a merchant-presented QR code. The code can represent a…
Qualified Custodian
A qualified custodian is a custody provider meeting specific legal or regulatory requirements applicable to particular assets, clients and jurisdictions. The label…
Qualified Custody
Qualified custody is a custody arrangement structured to satisfy applicable requirements for holding client assets with an eligible qualified custodian. A production…
Qualified Security Assessor (QSA)
A Qualified Security Assessor is an eligible professional employed by a PCI SSC-qualified company to perform specified PCI DSS assessments. Qualified Security…
Quote Currency
Quote currency is the currency used to express the price of another asset in an exchange-rate pair. In a BTC/USD quote, USD…
Quote Expiration
Quote expiration is the time after which an exchange-rate quote and its calculated payment amount are no longer valid. It protects merchants…
Quoted Spread
A quoted spread is the difference between two exchange rates or prices offered for buying and selling an asset, often representing part…