Glossary

Common terms used throughout USDQ documentation

A list of frequently used terms within the USDQ ecosystem and their corresponding definitions.

Term	Description
USDQ	USDQ is an overcollateralized synthetic dollar minted when users deposit supported stablecoins or crypto assets.
sUSDQ	sUSDQ is the yield-bearing version of USDQ, issued when USDQ is staked into protocol vaults. Its value increases over time as yield accrues.
ERC-4626	A standardized vault interface on EVM-compatible blockchains, used by USDQ for staking vaults to unify yield-bearing operations.
ERC-721	NFT token standard used to represent restake positions. Each ERC-721 token encodes details of a user’s locked sUSDQ, including term and yield.
Overcollateralization Ratio (OCR)	A measure of how much more collateral is deposited compared to the amount of USDQ minted. Higher OCRs apply to riskier assets.
OCR Buffer	The surplus collateral held beyond the face value of minted USDQ. It serves as a safety cushion against price volatility.
Cooldown Period	A short delay period before users can withdraw or claim assets, often used during redemption or final reward calculation windows.
Restaking	The process of locking sUSDQ for a fixed term to access boosted yield. Restakers receive an NFT representing their position.
Boosted Yield	Additional rewards granted to users who restake sUSDQ for fixed durations, distributed upon maturity.
Exchange Rate (sUSDQ/USDQ)	The current value of 1 sUSDQ in terms of USDQ. This rate increases over time as the vault accumulates yield.