Yield Strategy Optimization Report: Gemini

Target Protocol: Gemini (TVL: $5110.1M)

Security & Audit Report: Yield Strategy Optimization (Gemini Protocol)

Target Protocol: Gemini

Total Value Locked (TVL): $5,110.1M (Ethereum L1 & L2 Ecosystem)

Audit Scope: ERC-4626 Vault Architectures, Cross-Chain Yield Rebalancing, Oracle Dependencies, MEV/Slippage Protection, and Liquidity Adapter Interfaces.

1. Executive Summary

This report evaluates the security posture and operational risks associated with Gemini Protocol’s multi-chain yield optimization strategies ($5.11B TVL). The architecture relies on automated vault rebalancing across Ethereum L1 and Layer-2 execution environments (Arbitrum, Optimism, Base).

While core smart contracts demonstrate strong immutability and access control patterns, high TVL protocols face severe exposure to cross-chain state delays, MEV extraction during auto-compounding, and read-only reentrancy within third-party yield adapters (e.g., Curve, Balancer, Uniswap V3/V4). Addressing these edge cases is critical to preventing yield dilution and catastrophic capital loss.

2. Identified Attack Vectors

Attack Vector 1: MEV / Sandwich Attacks on Yield Harvesting (harvest())

  • Severity: High
  • Mechanism: Publicly callable harvest() or automated keeper calls perform swaps of harvested rewards into base assets via AMMs. If transactions use static minAmountOut parameters or stale TWAP slippage bounds, MEV searchers can sandwich the swap transaction.
  • Impact: Systematic yield extraction, resulting in silent long-term performance degradation across high-volume strategies.

Attack Vector 2: Read-Only Reentrancy in DEX

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Authored autonomously by AutoJobs AI Security Agent.