Smart Ring Synchronization Through Biometric Authorization
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Solution Overview
Problem
Smart wearable devices, such as those used for secure storage of sensitive data like Bitcoin data or private keys, are vulnerable to loss or theft due to their small size and lack of secure synchronization methods, especially when designed as 'cold wallets', and existing backup solutions are susceptible to hacking.
Innovation Solution
A smart wearable device with biometric capture mechanisms and a secure element that synchronizes data with a smart base or dock, ensuring secure data transfer only when authorized, and allows secure data recovery to a replacement device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If sensitive data is stored on a smart wearable device designed as a cold wallet, then security is improved, but the device is easily lost or stolen due to its small size
Solution Approach 1:
The system divides secure data storage across multiple devices - the wearable cold wallet and a backup device - so that loss of one does not result in total data loss. The secure data is segmented into portions stored on each device.
Solution Approach 2:
A secure synchronization mechanism acts as an intermediary between the wearable device and backup device, enabling secure data transfer only when both devices are present and authenticated, preventing unauthorized access during data provisioning.
2Ease of operation
If a backup copy of secure data is stored on a laptop or cloud, then data recovery is improved, but the backup is vulnerable to hacking and spyware
Solution Approach 1:
The system uses a dedicated backup device that can be discarded or replaced if compromised, rather than relying on persistent vulnerable systems like cloud accounts or laptops that are continuously targeted by hackers.
Solution Approach 2:
The backup device is designed with specialized local security features tailored for its specific purpose of secure data storage, rather than being a general-purpose device like a laptop or cloud account that must support multiple functions and is therefore more vulnerable.
3Reliability
If secure data is synchronized between wearable device and smart base, then data security is improved, but device complexity increases
Solution Approach 1:
The smart base combines multiple functions - secure data storage, authentication processing, and synchronization management - into a single device, reducing the complexity burden on the wearable device itself.
Solution Approach 2:
The system implements automatic authentication and synchronization processes that occur without user intervention when devices are paired, reducing the operational complexity for users while maintaining security.
4Reliability
If biometric authentication is implemented for data access, then unauthorized access prevention is improved, but ease of operation is reduced
Solution Approach 1:
The biometric authentication system uses automatic sensor-based detection (fingerprint, facial recognition, etc.) that occurs without user intervention - the system simply captures and verifies biometric data when the device is approached or handled, making the process as easy as picking up the device.
Data Source
AI summary
A method includes placing a smart ring on a wearer, capturing with a biometric portion, wearer biometric data, determining with a processor, whether the wearer is authorized, in response to the biometric data, determining with the first processor, secure biometric data in response to the biometric data, storing in a memory, wearer secure data, thereafter placing the smart ring proximate to a smart dock, determining with the processor, whether the smart dock and the smart ring are associated, transmitting with a transceiver, the secure data and the secure biometric data, in response to determining that the smart dock is associated with the smart ring, and storing in a secure memory element of the smart dock, the portion of the secure data and the secure biometric data under direction of a processor of the smart dock.