Core Mechanics and Integration
Published 7/5/2026, 10:52:53 PM
EtherFi's Aave V4 proposal, submitted on July 1, 2026, outlines the deployment of a dedicated, whitelabel Aave V4 instance on OP Mainnet to power the EtherFi Cash credit card. This move is expected to significantly increase OP Mainnet yield by migrating approximately 300,000 accounts and 70,000 active cards from Scroll, bringing an estimated $175M–$200M in initial liquidity to the network [Source: https://optimism.io/blog/ether.fi-is-migrating-to-optimism-op-mainnet].
Core Mechanics and Integration
The proposal establishes an isolated "ring-fenced" Aave V4 hub where EtherFi acts as the operator, managing risk parameters and oracles while utilizing Aave's V4 codebase. This instance replaces EtherFi's legacy "Debt Manager" to provide a more robust lending backend for its Visa card products [Source: https://governance.aave.com/t/temp-check-ether-fi-cash-aave-v4-instance-on-optimism/18187].
- Asset Support: The instance will support over 16 assets, including weETH, wETH, eBTC, USDC, USDT, GHO, ETHFI, and OP.
- GHO Integration: A $5M strategic GHO position will be established to support a GHO Governance Stability Module (GSM) on Optimism, positioning GHO as a primary borrow reserve.
- Revenue Sharing: Aave DAO will receive 20% of the reserve-factor revenue, projected to reach $1M–$1.2M annually at scale [Source: https://governance.aave.com/t/temp-check-ether-fi-cash-aave-v4-instance-on-optimism/18187].
Impact on OP Mainnet Yield
The integration is designed to catalyze yield through both organic demand and direct incentives:
| Metric | Projected Value / Detail |
|---|---|
| Target Assets (End-2026) | $500M |
| Projected Annual Revenue | $5M - $6M |
| Joint Incentive Package | $1.2M (EtherFi & Optimism Foundation) |
| Initial Liquidity Injection | $20M (from Optimism Foundation Treasury) |
| Daily Transaction Volume | ~$2M (28,000 spend transactions) [Note: not independently confirmed] |
1. Supply and Borrow Rates: The influx of $20M in liquidity from the Optimism Foundation Treasury and the $1.2M joint incentive package are intended to compress borrow costs while maintaining attractive supply rates for early depositors. The high velocity of the EtherFi Cash card—reportedly processing 28,000 transactions daily—creates consistent demand for borrowing against collateralized assets like weETH [Source: https://governance.aave.com/t/temp-check-ether-fi-cash-aave-v4-instance-on-optimism/18187].
2. Competitive Landscape: By securing an exclusive Aave V4 backend, EtherFi aims to lock in long-term TVL on OP Mainnet. The migration from Scroll is driven by OP Mainnet's infrastructure, though specific claims of $0.00001 median fees and <250ms finality remain [Note: not independently confirmed] [Source: https://optimism.io/blog/ether.fi-is-migrating-to-optimism-op-mainnet].
Governance Status
As of July 5, 2026, the proposal is in the Temp Check phase of Aave governance. If successful, the target deployment is scheduled for July 2026. The proposal ensures that while EtherFi manages the instance, the Aave DAO benefits from a new revenue stream without exposing the main Aave liquidity pools to the specific risks of the EtherFi Cash credit product [Source: https://governance.aave.com/t/temp-check-ether-fi-cash-aave-v4-instance-on-optimism/18187].