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- W4367047077 abstract "Most NFTs (Non-Fungible Tokens) use multi-hop URLs to address the off-chain assets due to the costly on-chain storage, but the path from NFTs to the underlying assets is fraught with instability, which may degrade its value. Hence, this paper aims to answer the question: Is the NFT-to-Asset connection fragile? This paper makes a first step towards this end by characterizing NFT-to-Asset connections of 12,353 Ethereum NFT Contracts (6,234,141 NFTs in total) from three perspectives, storage, accessibility, and duplication. In order to overcome challenges of affecting the measurement accuracy, e.g., IPFS instability and the changing availability of both IPFS and servers’ data, we propose to leverage multiple gateways to enlarge the data coverage and extend a longer measurement period with non-trivial efforts. Results of our extensive study show that such connection is very fragile in practice. The loss, unavailability, or duplication of off-chain assets could render the value of NFTs worthless. For instance, we find that assets of 25.24% of Ethereum NFT contracts are not accessible, and 21.48% of Ethereum NFT contracts include duplicated assets. Our work sheds light on the fragility along the NFT-to-Asset connection, which could help the NFT community to better enhance the trust of off-chain assets." @default.
- W4367047077 created "2023-04-27" @default.
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- W4367047077 date "2023-04-30" @default.
- W4367047077 modified "2023-10-17" @default.
- W4367047077 title "Do NFTs’ Owners Really Possess their Assets? A First Look at the NFT-to-Asset Connection Fragility" @default.
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- W4367047077 doi "https://doi.org/10.1145/3543507.3583281" @default.
- W4367047077 hasPublicationYear "2023" @default.
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