NFT Authorization Recovery for Secure Circulation Data Control
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Solution Overview
Problem
Current NFT markets lack a post-authorization authority management mechanism, leading to serious security hazards due to unauthorized access and control of NFT resources.
Innovation Solution
A method and apparatus for controlling NFT circulation data through a server that verifies and manages authorization instructions, including legitimacy checks, resource ownership verification, and synchronization across blockchain servers, ensuring secure withdrawal and management of authorized rights.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If NFT markets authorize NFT resources under contracts to specified addresses, then NFT resource access is enabled, but security hazards increase due to lack of post-authorization authority management
Solution Approach 1:
The patent implements dynamic authorization management by allowing the authorized address list to be modified after initial authorization. The smart contract provides functions to add, remove, and update authorized addresses dynamically, transforming the static authorization model into a dynamic one that can adapt to changing security requirements while maintaining access functionality.
Solution Approach 2:
The patent introduces feedback mechanisms through authorization logs and verification processes. The system records all authorization changes in logs that can be queried, and includes verification functions that check whether an address is currently authorized before allowing access. This feedback loop enables continuous monitoring and control of authorization status.
2Reliability
If a post-authorization authority management mechanism is implemented, then security is improved, but system complexity increases
Solution Approach 1:
The patent merges the authorization management functionality directly into the existing smart contract structure. The authorization logic, data storage, and access control are combined within the same contract framework, eliminating the need for separate complex management systems. This integration reduces overall system complexity while maintaining security features.
Solution Approach 2:
The smart contract serves multiple functions: it stores NFT resource information, manages authorization lists, processes authorization requests, and controls resource access. By making the contract multi-functional, the patent avoids creating separate specialized components, thereby reducing system complexity while achieving comprehensive authorization management.
3Reliability
If authorization verification and management processes are added, then unauthorized access is prevented, but processing time increases
Solution Approach 1:
The system performs preliminary actions by pre-storing authorized address lists and authorization data in the smart contract before access is needed. When a resource access request comes in, the system can quickly verify authorization status by checking pre-existing data rather than performing complex real-time verification, thus reducing processing time while maintaining security.
Solution Approach 2:
The smart contract automatically handles authorization verification and access control without requiring external manual intervention. The contract's built-in functions automatically check whether an address is authorized, validate requests, and control resource access, eliminating the need for time-consuming manual review processes while ensuring reliable access control.
Data Source
AI summary
A permission control method for NFT circulation data, comprising: receiving an instruction and determining the type; if the instruction is an NFT resource authorization instruction and is verified to be legitimate, calling a smart contract NFT resource authorization interface, and determining whether an authorized address is a target address, and if not, adding a first data structure to the smart contract to complete NFT resource authorization; and, if the instruction is an authorization recovery instruction and is verified to be legitimate, broadcasting the authorization recovery instruction, and, according to a pre-stored smart contract address, querying a smart contract execution code, and, when it is verified, by means of a pre-stored public key of the target address, that a signature of an authorization recovery transaction in the authorization recovery instruction is correct, and it is determined that the NFT resource quantity owned by the target address is sufficient and the authorized address is not the target address, modifying the first data structure according to a first preset mode to complete authorization recovery. By means of the method, a user can recover an authorized permission, thus achieving permission management after resource authorization, and avoiding security risks.