Multi-mode Smart Card with Embedded USB for Secure Presence
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Solution Overview
Problem
Current smart card systems lack a reliable and secure method to confirm the presence of a cardholder and their card in unattended digital transactions, such as e-commerce, leading to issues like unauthorized use and costly chargebacks, especially in the financial industry.
Innovation Solution
A multi-mode card system with embedded USB connectivity, which includes a microprocessor, contact and contactless interfaces, and a physical design that allows for direct communication with personal electronic devices via USB, RFID, NFC, or Bluetooth, ensuring secure and versatile transaction authentication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional magnetic stripe or contactless smart card interfaces are used, then the system maintains simplicity and broad compatibility, but it lacks reliable confirmation of cardholder presence in unattended digital transactions
Solution Approach 1:
The smart card incorporates multiple interface types (contactless RFID/NFC, contact USB, and wired USB) within a single device, enabling it to function across different transaction scenarios. This multi-functionality allows the card to provide reliable cardholder presence confirmation through direct USB connectivity while maintaining broad compatibility with existing contactless systems, thus resolving the contradiction between reliability and complexity.
2Reliability
If direct USB connectivity is embedded in the smart card, then secure and reliable cardholder presence confirmation is achieved, but the manufacturing complexity and cost increase
Solution Approach 1:
The smart card is designed as a composite structure with distinct functional layers: a standard plastic card body containing embedded USB connector, and a separate microprocessor card inserted into the USB connector. This segmentation allows the USB connectivity component to be manufactured and tested independently, then integrated with the secure element, reducing overall manufacturing complexity while maintaining transaction security.
3Adaptability or versatility
If multiple interface modes (contact, contactless, USB) are integrated, then the system achieves versatility for different transaction environments, but the device structure becomes more complex
Solution Approach 1:
The smart card employs a nested structure where a microprocessor card is inserted into a USB connector that is itself embedded in the plastic card body. This nesting arrangement allows multiple interface modes (contactless via RFID antenna, contact via USB pins, and wired via USB connector) to be integrated in a compact form factor without significantly increasing the external dimensions or visual complexity of the card.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The multi-mode card system provides a secure and convenient means to authenticate cardholders and cards in various transaction environments, reducing unauthorized use and facilitating faster data transfers, suitable for both financial and non-financial applications like healthcare.
Implementation Method 1
The contact and/or contactless interface may be implemented according to the radio frequency identification (RFID)... protocols and/or interfaces
Implementation Method 2
The contact and/or contactless interface may be implemented according to the... near field communication (NFC)... protocols and/or interfaces
Data Source
AI summary
Techniques are disclosed for systems and methods to conduct transactions using a Multi-mode Card. A Multi-mode Card may include various components of a Smart Card and be configured to interface directly with a personal electronic device (e.g., a smart phone, a tablet computer, a personal computer, and/or other personal electronic devices) to confirm presence of the Multi-mode Card in an unattended digital transaction, such as for e-commerce and Internet purchases. A transaction system may include a logic device and an interface embedded in or on the Card, a client device such as a personal electronic device, and a server configured to provide a sales interface to a user through the client device. The logic device in the Card may be configured to authorize, encrypt, and/or otherwise facilitate a transaction involving a sale and/or other type of communication between the client device and the server.