ERC-4907: Rental NFT Standard
Shuaifeng He, Zhenyu Yan, Douglas Horn, Archer Fu
Abstract
ERC-4907 provides a standardized approach to the rental and time-limited usage of non-fungible tokens, addressing a significant limitation in existing NFT functionality. Prior to this standard, lending or renting NFTs required cumbersome and often risky escrow-based methods or complex social trust agreements. ERC-4907 adds an 'expires' functionality to the standard ERC-721, allowing owners to delegate usage rights to a user address for a specified duration, after which the rights automatically expire and return to the owner. This is particularly significant for gaming, ticketing, and service-based NFT use cases where temporary access is more valuable than permanent ownership. The standard is designed to be highly gas-efficient and seamless, promoting interoperability across platforms and gaming environments, thereby unlocking new rental markets and utility for digital assets.
Key Findings
- 1The standard allows for automated time-limited access without the need for complex escrow mechanisms.
- 2It enables the creation of secondary rental markets within existing gaming and service platforms.
- 3Implementation is compatible with legacy ERC-721 assets via extension wrappers.
- 4The 'expires' variable provides a transparent and verifiable mechanism for managing usage rights on-chain.
Topics
Citation
BibTeX
@misc{erc49072022,
title = {ERC-4907: Rental NFT Standard},
author = {Shuaifeng He and Zhenyu Yan and Douglas Horn and Archer Fu},
year = {2022},
howpublished = {\url{https://eips.ethereum.org/EIPS/eip-4907}},
}Knowledge Explorer
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