Purchase-Coupled Companion NFTs and Locked Liquidity: Reserve Accounting, Fee Receipts and Recovery Limits
Abstract
An NFT purchase can fund a redemption reserve or market liquidity, but the same payment cannot fully back both obligations. This report examines an NGU implementation that mints a purchaser NFT together with separate companion NFTs, routes a configured payment fraction toward concentrated liquidity and retains a distinct curve reserve. Companions are deposited into a collection vault for fungible claims and cannot redeem against the purchaser-NFT reserve. The underlying liquidity position is held by a locker, while the purchaser receives a transferable fee receipt. A fresh isolated build passed 27 tests, including 26 example tests and 256 cases of one fuzz test for the base curve. Controlled companion cases verified token classification, payment allocation, position custody, receipt ownership and rejection of companion redemption. These results do not establish production PositionManager compatibility, guaranteed placement under all pool states, beneficial investment outcomes or financial inclusion. The study emphasizes the separation of backing, liquidity principal and fee rights, including the limits on recovery and remaining administrative authority.
Preparation of this report was assisted by Codex. The research programme is directed toward human agency, financial inclusion, and evidence-based accountability. Intended social benefits are distinguished from measured technical results in the manuscript.
The manuscript and newly authored analysis are offered under CC BY 4.0. Any supplied source files retain the license terms stated in the supplement; the record license does not replace third-party source licenses.
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BibTeX
@misc{dunn2026purchasecoupled,
title = {{Purchase-Coupled Companion NFTs and Locked Liquidity: Reserve Accounting, Fee Receipts and Recovery Limits}},
author = {Jarett Dunn},
howpublished = {Zenodo},
year = {2026},
month = oct,
doi = {10.5281/zenodo.23521505},
url = {https://zenodo.org/records/23521505},
note = {CC BY 4.0},
}
RIS
TY - UNPB
TI - Purchase-Coupled Companion NFTs and Locked Liquidity: Reserve Accounting, Fee Receipts and Recovery Limits
AU - Jarett Dunn
PY - 2026
DA - 2026/10/20
PB - Zenodo
DO - 10.5281/zenodo.23521505
UR - https://zenodo.org/records/23521505
AB - An NFT purchase can fund a redemption reserve or market liquidity, but the same payment cannot fully back both obligations. This report examines an NGU implementation that mints a purchaser NFT together with separate companion NFTs, routes a configured payment fraction toward concentrated liquidity and retains a distinct curve reserve. Companions are deposited into a collection vault for fungible claims and cannot redeem against the purchaser-NFT reserve. The underlying liquidity position is held by a locker, while the purchaser receives a transferable fee receipt. A fresh isolated build passed 27 tests, including 26 example tests and 256 cases of one fuzz test for the base curve. Controlled companion cases verified token classification, payment allocation, position custody, receipt ownership and rejection of companion redemption. These results do not establish production PositionManager compatibility, guaranteed placement under all pool states, beneficial investment outcomes or financial inclusion. The study emphasizes the separation of backing, liquidity principal and fee rights, including the limits on recovery and remaining administrative authority. Preparation of this report was assisted by Codex. The research programme is directed toward human agency, financial inclusion, and evidence-based accountability. Intended social benefits are distinguished from measured technical results in the manuscript. The manuscript and newly authored analysis are offered under CC BY 4.0. Any supplied source files retain the license terms stated in the supplement; the record license does not replace third-party source licenses.
ER -