Electronic Resource Transfer via Encryption Identifier
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Solution Overview
Problem
Conventional cash payment methods in offline shopping scenarios are inconvenient and pose security risks, as users need to carry cash or bank cards, which can be lost or stolen.
Innovation Solution
An electronic resource processing method and system that enables secure and convenient electronic money transfers between terminals and a server using encryption identifiers, eliminating the need for physical cash or cards by establishing communication connections for online transactions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If cash payment is used, then no electronic device is needed, but convenience is poor and security is low
Solution Approach 1:
The patent replaces the mechanical system of physical cash and card swiping with an electronic system using NFC technology. The second terminal (mobile device) communicates with the first terminal (POS terminal) through electromagnetic fields, eliminating the need for physical cash or cards while improving both convenience and security.
Solution Approach 2:
The patent introduces an intermediary encryption identifier that mediates the transfer process. Instead of directly transferring cash or using physical cards, the system uses an encrypted identifier as an intermediate representation that can be securely transmitted and verified, resolving the contradiction between convenience and security.
2Ease of operation
If bank card is used, then electronic resource transfer is enabled, but account medium must be carried which can be lost or stolen
Solution Approach 1:
The patent extracts the essential function of the bank card (identifying the account and enabling transfer) while removing the physical card itself. The encryption identifier contains only the necessary information to perform the transfer function, eliminating the need to carry a physical account medium and thus removing the risk of loss or theft.
Solution Approach 2:
The patent creates a digital copy (encryption identifier) of the account identification information that can be transmitted electronically. This digital copy replaces the physical bank card, allowing the same account identification function to be performed without the security risks associated with carrying physical cards.
3Ease of operation
If POS terminal with bank settlement is used, then electronic resource transfer is achieved, but system complexity increases
Solution Approach 1:
The patent segments the payment system into distinct functional components: the first terminal (POS terminal) handles transaction initiation and verification, the second terminal (mobile device) holds the encryption identifier and initiates transfers, and the server handles account verification and fund transfer. This segmentation allows each component to be simpler while maintaining overall system functionality.
Data Source
AI summary
An electronic resource processing method and a device are provided. The method includes sending, by a first terminal, an electronic resource transfer attribute to a second terminal, generating, by the second terminal, an electronic resource transfer request, based on the electronic resource transfer attribute and an encryption identifier for performing electronic resource transfer processing, and sending, by the second terminal, the electronic resource transfer request to a server. The method further includes querying, by the server, an associated account of the second terminal, based on the encryption identifier, performing, by the server, transfer processing on electronic resources in the associated account of the second terminal, based on the electronic resource transfer attribute, and notifying, by the server, the first terminal and the second terminal of a result of the transfer processing.