NFT Metadata Segmentation for Link Rot Prevention
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Solution Overview
Problem
NFTs face challenges with 'link rot' where resource addresses change, causing NFT addresses to become dangling pointers, and existing solutions do not effectively manage mutable metadata for one-of-a-kind and open-edition NFT dynamics.
Innovation Solution
The system enables minting of NFTs based on media objects, including AR filters, with mutable metadata, allowing users to change and update this metadata, which is then reflected in all open-edition NFTs, using smart contracts and decentralized databases to manage ownership and metadata changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If NFTs use fixed addresses to point to digital assets, then ownership tracking is simplified, but the system becomes vulnerable to link rot where resources are relocated causing dangling pointers
Solution Approach 1:
The system segments the NFT reference structure into two parts: a stable NFT address that remains constant and a separate metadata field that can be updated. This segmentation allows the NFT to maintain its original address while enabling resource relocation through metadata updates, resolving the contradiction between address simplicity and pointer stability.
Solution Approach 2:
The patent introduces dynamic metadata fields within the NFT that can be updated without changing the NFT's fundamental address. This dynamic component allows the system to adapt to resource relocation while maintaining the stability of the NFT identifier, effectively solving the link rot problem while preserving address structure simplicity.
2Adaptability or versatility
If NFT metadata is made mutable to allow updates, then flexibility and adaptability are improved, but ownership verification and authenticity become more complex
Solution Approach 1:
The system introduces an intermediary mechanism in the form of structured metadata fields that mediate between the immutable NFT core and the mutable resource references. This intermediary layer allows flexible updates to metadata while maintaining verification capabilities through the structured format and association with the original NFT address.
Solution Approach 2:
The patent implements preliminary structuring of metadata fields during NFT creation, establishing a framework that anticipates future updates. This preliminary action creates a standardized structure that simplifies subsequent metadata management and maintains verification integrity, reducing the complexity burden that would otherwise arise from ad-hoc updates.
3Ease of operation
If NFTs store references to external resources, then accessibility and usability are improved, but the system becomes vulnerable to resource relocation and link rot
Solution Approach 1:
The system creates a copy mechanism where the NFT contains a reference copy of the resource location in its metadata field. This copy can be updated to point to new resource locations while the original NFT address remains unchanged, maintaining accessibility while protecting against link rot from resource relocation.
Data Source
AI summary
A system to perform operations that include: minting a Non-Fungible Token (NFT) that comprises a media object and mutable metadata; allocating the NFT to a user of a client device; granting the user of the client device a permission to change the mutable metadata of the NFT based on the allocating the NFT to the user of the client device; generating an open-edition of the NFT, the open-edition of the NFT comprising a reference to the mutable metadata; receiving a change to the mutable metadata from the user of the client device; and updating the open-edition of the NFT based on the change.