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Glossary

 

2 tap
Acquiring bank
Android Pay
APK
Card issuing bank
Cardholder verification method (CVM)
Classes
Cryptogram
EMV 
Gift card
Loyalty card
NFC
Objects
Offer
Payment networks
Save to Android Pay 
Security code
Smart tap
Token
Tokenization

2 tap: A user taps once to convey their loyalty, offers, and /or gift cards that have been saved to Android Pay, and then taps again for payment.  

Acquiring bank: The financial institution in charge of processing the payments on behalf of a merchant. When a customer pays in your store with Android Pay, it transmits the customer data to the contactless payment terminal. In turn, the terminal forwards the data to the point-of-sale which ultimately sends it to the acquiring bank. 

Android Pay: A simple and secure way for merchants to accept payments for physical goods and services from Android Pay app users in stores and within their apps. App users can save loyalty cards, gift cards, and redeem offers from retailers using Android Pay’s ‘Save to Android Pay’ functionality, and they can use and update those loyalty cards, gift cards.

APK: Each Android application is compiled and packaged in a single file that includes all of the application's code (.dex files), resources, assets, and manifest file. For convenience, an application package file is often referred to as an ".apk".

Card issuing bank: The bank that issues the customer’s credit or debit card. 

Cardholder verification method (CVM): CVM is used to verify whether a person attempting a transaction with a credit or debit card is the legitimate cardholder. 

Classes: Save to Android Pay templates / static info that won’t change across users, such as merchant name, program name, support phone number, terms of service, link to app, and logo.

Cryptogram: Another term for limited use (LUK) or single key (SUK) which is, basically, the password that joins the token with the customer’s actual card number. Without the cryptogram, the token can not be validated by the token service provider and matched to the actual card number to successfully complete a purchase.

EMV (Europay, MasterCard, and Visa): A technical standard for payments using Smart Cards, which are cards with an embedded chip. These cards can be contact cards that need to be inserted in a terminal or contactless cards that can be read using NFC technology. Android Pay payments are presented to the payment terminal as EMV contactless payments.

Gift card: A specific pre-paid value redeemable at merchant.

Loyalty card: An account that tracks purchases and provides incentives to encourage repeat business (such as rewards, points, punches).

NFC (near field communication): A radio frequency technology that allows a contactless exchange of information between two devices when they are in very close proximity.

Objects: Personalized records that are specific to each user of loyalty cards, gift cards, and offers saved to Save to Android Pay. These records include member name, account number, card balance, and personalized messages.

Offer: Typically a discount or savings on a purchase.

Payment networks: Also known as card associations, they are the consortiums of banks that process payments for specific card brands, such asVisa, MasterCard, American Express, Discover, JCB, UnionPay, etc..

Save to Android Pay: A simple platform that lets you connect your business to millions of app users by showcasing your loyalty programs, gift cards, and offers - all through Android Pay! You can engage with your customers anytime through location-based notifications, real-time updates, and messaging.

Security code: A code that is dynamically generated and sent with each authorization transaction. These codes are either single-use or limited-use, depending on the payment network, and they can be thought of as a unique password for one or very few transactions.

Smart tap: Google's proprietary NFC protocol for conveying value added services such as loyalty card, gift cards, and offers. Learn more about smart tap.

Token: A “virtual account number,” a token is a number representing a customer’s card that is assigned to a specific device or app (in our case, Android Pay). Tokens help ensure account security because they differ from the card numbers they represent. Customers do not know their token numbers because they operate entirely “behind-the-scenes.”

Tokenization: Android Pay facilitates the assignment of “virtual account numbers," also called a token, that securely link the actual card number to an Android Pay account. Tokens are unique to each card number they represent. The app user’s mobile device keeps an encryption key in memory that it uses to decrypt limited-use and single-use keys (also called cryptograms) for contactless transactions (NFC payments). Basically, the limited-use key (LUK) / single-use key (SUK) is the password that joins the token with the actual card number, and, without it, the token can not be validated by the token service provider and matched to the actual card number to successfully complete a purchase. No other master key data is stored on the device. If the device is rebooted and has no network connection, it cannot decrypt LUKs / SUKs and, therefore, cannot be used for in-store transactions.  

2 tap: A user taps once to convey their loyalty, offers, and /or gift cards that have been saved to Android Pay, and then taps again for payment.  

Android Pay: A simple and secure way for merchants to accept payments for physical goods and services from Android Pay app users in stores. App users can save loyalty cards, gift cards, and redeem offers from retailers using Android Pay’s ‘Save to Android Pay’ functionality, and they can use and update those loyalty cards, gift cards.

APK: Each Android application is compiled and packaged in a single file that includes all of the application's code (.dex files), resources, assets, and manifest file. For convenience, an application package file is often referred to as an ".apk".

Classes: Save to Android Pay templates / static info that won’t change across users, such as merchant name, program name, support phone number, terms of service, link to app, and logo.

Gift card: A specific pre-paid value redeemable at merchant.

Loyalty card: An account that tracks purchases and provides incentives to encourage repeat business, such as rewards, points, punches.

NFC (near field communication): A radio frequency technology that allows a contactless exchange of information between two devices when they are in very close proximity.

Objects: Personalized records that specific to each user of loyalty cards, gift cards, and offers saved to Save to Android Pay, such as member name, account number, card balance, and personalized messages.

Offer: typically a discount or savings on a purchase.

Payment networks: Also known as card associations, they are the consortiums of banks that process payments for specific card brands, such as Visa, MasterCard, American Express, Discover, JCB, UnionPay, etc..

Save to Android Pay: A simple platform that lets you connect your business to millions of app users by showcasing your loyalty programs, gift cards, and offers - all through Android Pay! You can engage with your customers anytime through location-based notifications, real-time updates, and messaging.

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