Unidirectional Digital Asset Transfer via Isolated Device
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Solution Overview
Problem
The security of digital assets stored in isolated devices is compromised due to their reliance on network connections, making them vulnerable to malicious attacks.
Innovation Solution
The use of a limited connection isolated device that associates multiple limited value accounts with a user, each configured with asymmetric cryptographic key pairs, and transfers digital assets through a unidirectional secure channel, ensuring secure storage and transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If digital assets are stored in isolated devices with network connection, then accessibility and usability are improved, but security is worsened due to vulnerability to malicious attacks
Solution Approach 1:
The patent divides digital assets into multiple accounts with different value levels (first account with first value, second account with second value). This segmentation ensures that even if the isolated device is compromised, attackers can only access limited value from individual accounts rather than the entire asset portfolio, thus resolving the security vulnerability while maintaining accessibility.
2Reliability
If digital assets are stored in isolated devices without network connection, then security is improved by limiting exposure to attacks, but accessibility and transfer capability are worsened
Solution Approach 1:
The patent introduces a non-isolated device as an intermediary that interfaces between the isolated device and the network. The non-isolated device receives commands from users, communicates with the isolated device through a secure interface, and handles network interactions. This allows the isolated device to maintain its security isolation while still enabling asset transfer functionality through the intermediary.
3Reliability
If multiple accounts with different value levels are created, then security is improved by limiting potential loss, but device complexity is worsened
Solution Approach 1:
The patent implements a hierarchical account structure where accounts are differentiated by value parameters (first value, second value, third value). This parameter-based organization allows the system to manage multiple accounts with varying security requirements and access controls. The complexity is managed through structured parameter definitions rather than arbitrary account creation, making the system more manageable despite having multiple accounts.
Data Source
AI summary
A method of increasing security of digital assets stored in an isolated device by associating the isolated device with a plurality of accounts of the user each configured to store a limited value of digital assets, each of the plurality of accounts is assigned an asymmetric cryptographic key pair (comprising a unique private key encrypting the respective account and a corresponding public key identifying the respective account), transmitting, via a unidirectional secure channel, the public key assigned to each of the plurality of accounts to one or more computing nodes connected to a network community regulating the digital assets and transferring a value of the digital assets by transmitting, to one or more of the computing nodes, the private key of one or more of the plurality of accounts cumulatively storing the transferred value thus releasing the limited value stored in the respective account(s).