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
Qualified Custodian is a custodian that meets the definition and requirements established by the applicable legal or regulatory framework for a specific…
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Quote expiration is the time after which an exchange-rate quote and its calculated payment amount are no longer valid.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
Quoted Spread is the difference between the displayed ask price and bid price for an asset or currency pair at a particular…