Encrypted Dynamic Content Delivery for Merchant POS Displays
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Solution Overview
Problem
Existing customer checkout processes lack personalization and efficiency in delivering dynamic content, such as product offers and interactive information, due to limitations in network-based delivery systems.
Innovation Solution
A network-based system that delivers encrypted dynamic content to merchant point-of-sale devices using a shared secret, interacts with customer electronic devices for location tracking, and decrypts content based on payment card information, enabling personalized and interactive content display during checkout.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If encrypted content is delivered to multiple potential customers, then content security is improved, but content personalization deteriorates
Solution Approach 1:
The system pre-encrypts content with multiple possible decryption keys (one for each payment card) before delivery. When a customer presents their payment card, the system identifies the corresponding key and decrypts the appropriate personalized content. This preliminary preparation of multiple encryption states allows both secure delivery and on-demand personalization.
Solution Approach 2:
The system changes the decryption parameter (payment card information) to transform encrypted content into different personalized versions. By using different portions of payment card information as decryption keys, the same encrypted content can be transformed into multiple personalized content variants based on the customer's specific card details.
2Speed
If content is delivered in advance to merchant devices, then content delivery speed is improved, but system complexity deteriorates
Solution Approach 1:
The system introduces a network-based intermediary service that manages the complex tasks of content encryption, delivery, and decryption key management. Instead of making the merchant device complex, the intermediary handles the complexity centrally, delivering pre-encrypted content to simple merchant devices that only need to perform decryption using payment card information.
3Measurement precision
If location tracking is implemented for content delivery, then content delivery accuracy is improved, but customer privacy concern increases
Solution Approach 1:
The system implements location tracking with local quality by using geofencing technology to define specific geographic boundaries around merchant locations. Content delivery is triggered only when a customer's device enters or exits these predefined geographic zones, providing accurate location-based content delivery while minimizing unnecessary tracking beyond the immediate merchant vicinity.
Data Source
AI summary
Systems and methods for network-based delivery of dynamic content are disclosed. A method may include: receiving, by a network computer program, a location for a customer electronic device associated with a customer; determining, by the network computer program and from the location, that the customer is within a predetermined distance of a merchant; requesting, by the network computer program, content for one or more payment card issued by an issuer to the customer from an issuer backend for the issuer; receiving, by the network computer program, the content; and communicating, by the network computer program, the content to a merchant backend for the merchant. The merchant backend receives, from a merchant point of sale device, payment card information for one of the payment cards, retrieves the content for the payment card, and causes the merchant point of sale device to display the content on a display.