Risks

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1. Peg Stability Module (PSM) Risks

The strategy relies on the Ethereum PSM to convert USDT ↔ USDD at a 1:1 ratio with zero slippage.

• Liquidity Depletion: If USDT reserves in the PSM are exhausted, converting USDD back to USDT may become unavailable, delaying forced unwinds.

Mitigation Strategy:

• Real-time Monitoring: Continuous tracking of PSM USDT liquidity.
• Threshold Alerts: Alerts trigger at 10x and 5x total vault collateral exposure.
• Automated Unwind: The vault triggers an automatic exit if PSM liquidity falls below 2x vault exposure.

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2. Administrative Control & Governance Risk

The USDD protocol is currently managed by an Externally Owned Account (EOA) without a structural timelock.

• Immediate Execution: Changes to fees, yield parameters (sUSDD APY), or contract logic can be executed without prior notice.
• Operational Risk: The admin could pause the PSM or modify sUSDD staking terms instantly.

Mitigation Strategy:

• Negative Spread Protection: The vault executes an automated unwind if the strategy spread becomes negative (i.e., when USDT borrow costs exceed sUSDD staking rewards).
• Mempool Monitoring: Tracking of administrative transactions to detect pending changes. (Note: Mempool monitoring and execution does not guarantee a successful position exit before a transaction confirms.)

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3. Oracle & Liquidation Risk

The vault’s Loan-to-Value (LTV) monitoring depends on accurate oracle pricing. The current oracle updates once per day, sourcing prices directly from the PSM 1:1 conversion.

• Price Source Deviation: If the price source changes or deviates from the PSM 1:1 parity, a liquidation event could be triggered on Morpho Blue.
• High Leverage: The strategy operates at a 0.91 LTV, close to the 0.915 liquidation threshold.

Mitigation Strategy:

• Automated Deleverage: Immediate de-leveraging if LTV > 0.912 or if oracle anomalies/staleness are detected.
• Real-time Monitoring: Continuous tracking of oracle health and Morpho pool oracle update proposals.

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4. Yield & Spread Compression Risk

Profitability depends on a positive spread: (sUSDD Yield - Morpho Borrow Rate).

• Inversion Risk: If sUSDD APY decreases or Morpho USDT borrow rates spike, the leveraged position may become unprofitable (the “cost of carry” exceeds the yield).

Mitigation Strategy:

• Spread Monitoring: Automated tracking of the net interest margin.
• Keeper-Triggered Exit: Automated unwind if the borrow rate exceeds collateral yield for a prolonged period.

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5. Smart Contract & Protocol Risk

The strategy interacts with a stack of external and internal DeFi smart contracts:

• USDD & sUSDD Staking Contracts.
• PSM Contracts.
• Morpho Blue Market Contracts.
• L2Pass Vault Adapters.

Mitigation Strategy:

• Institutional Standards: Built using the audited ERC-4626 share vault standard.
• Isolated Markets: Utilization of Morpho Blue to isolate risk from other assets.
• Third-Party Audit: All L2Pass specific logic has been audited by Wake Arena. View the report.

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6. Stablecoin Structural Risk

This strategy assumes the continued stability of the underlying assets.

• Peg Dependency: Assumes USDT maintains its $1.00 peg and USDD maintains operational and functional redemption parity via the PSM.
• Systemic Stress: Market-wide events could trigger mass withdrawals, affecting liquidity across all integrated protocols.

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Summary of Monitoring Controls

L2Pass maintains the following active safety triggers: