- Aave has launched V4 on Ethereum mainnet with a new hub-and-spoke architecture built around shared liquidity.
- The rollout starts with conservative caps and a limited set of hubs and assets as the protocol takes a security-first approach.
Aave has officially pushed V4 live on Ethereum mainnet, delivering the protocol’s most significant lending redesign since V3 and, really, changing how liquidity is organized across its markets.
The core shift is architectural. Instead of keeping liquidity and risk bundled inside a single market design, Aave V4 introduces a modular hub-and-spoke model.
Liquidity sits centrally inside a Hub, while individual Spokes plug into that pool with their own collateral rules, liquidation logic and risk parameters. In plain terms, the capital can stay shared even when the lending environments do not.
Shared liquidity, but risk gets its own lane
That matters because DeFi lending has long struggled with a familiar trade-off. Fragment liquidity too much and markets become inefficient. Keep everything together and risk pricing gets blunt. Aave’s answer in V4 is to separate those functions more cleanly, which should allow more precise market design without fully sacrificing capital efficiency.
At launch, Aave is starting with three liquidity hubs on Ethereum mainnet, including Core, Prime and Plus. The initial setup is intentionally narrow, with conservative supply and borrow caps and a smaller asset universe than the architecture could eventually support. That restraint seems deliberate. The protocol is rolling out as if security and live-market observation come first, expansion later.
A cautious first step toward broader credit design
The wider goal is bigger than a version upgrade. Aave says V4 is designed to support a broader range of credit structures, including more specialized lending venues that can run with their own parameters while still drawing from unified liquidity. That opens the door to more tailored pricing, isolated risk profiles and markets that look less one-size-fits-all than earlier DeFi lending pools.
For now, though, the emphasis is not on scale for its own sake. It is on getting the rails live, keeping the parameter set tight, and letting Ethereum mainnet serve as the first real test of whether Aave’s modular design can hold up under production conditions
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