# Hub & Spoke Related Articles

Deciphering Aave V4: A Transformation from Product to "Bank"

On March 30, Aave V4 officially launched on the mainnet, introducing a major architectural redesign centered around a unified liquidity model called "Hub and Spoke." The core change replaces isolated lending markets with a centralized liquidity pool (Hub) per chain or L2, which manages global liquidity, credit limits, and system constraints. Different Hubs (Core, Prime, Plus) cater to varying risk profiles and user needs. Spokes function as independent markets with custom parameters, allowing borrowers to access assets from the shared pool under specific rules. V4 improves capital efficiency by introducing risk-based interest rates—where borrowers using volatile collateral pay higher rates—and a refined liquidation mechanism that only restores positions to a target health factor. Additionally, idle liquidity in Hubs can be automatically deployed to governance-approved yield strategies, boosting returns for suppliers and DAO revenue. While the update doesn’t radically change the lending experience for users with high-quality collateral, it transforms Aave from a product into a bank-like financial infrastructure. This sets the stage for future expansions into services like structured products, credit facilities, and investment banking operations.

marsbit03/31 09:06