- The upgrade introduces unified liquidity hubs to replace fragmented markets.
- Spokes introduces modular lending systems with independent risk profiles.
- V4 aims to increase capital efficiency and open new opportunities for developers.
The Aave lending protocol is preparing for one of its most transformative upgrades.
Two days after the launch of a mobile savings app, the team released the testnet for the update, signaling progress toward Aave V4, which seeks to change how liquidity flows within the protocol.
Aave V4 testnet, featuring a developer preview of our new interface, Aave Pro, is now live. pic.twitter.com/q7ltPy0pxC
— Aave (@aave) November 19, 2025
V4 will replace the common multi-market system with an innovative, unified “Hub and Spoke” architecture.
The version 4 upgrade aims to transform how decentralized finance lending operates, prioritizing developers who want to launch risk markets or experiment with assets that don’t fit neatly into Aave’s current structure.
The official blog highlighted:
Each L1 or L2 will have at least one Aave V4 Liquidity Hub, with the potential for multiple hubs on a network. Spokes allow for broader experimentation in these ecosystems without liquidity becoming a limiting factor. This design makes it easier to support new risk profiles and enable innovation without fragmenting liquidity, while also providing a way to generate liquidity for new Spokes.
To understand why the V4 upgrade matters, let’s look at how Aave V3 works and the challenges that pushed the team to pursue a more flexible model.
A look at Aave V3
In Aave version 3, each market operates independently.
Deployments such as Ethereum Prime and Ethereum Core maintain their own asset lists and liquidity pools.
Individuals supply to a specific market and can only borrow from that same market.
While this structure helps isolate risk, it creates important limitations.
For example, liquidity locked in one market cannot be used to support borrowing in another.
Also, launching new markets requires raising funds from scratch.
That slows adoption and fragments the overall user base.
Additionally, governance and more intensive experimentation become challenging because each distinct market needs its own fund.
The Aave team added:
It also limits economies of scale for lending and makes it harder to support new assets or implement unique lending configurations, which end up isolated and less usable.
A unified Liquidity Hub to replace independent markets
Version 4 restructures the Aave lending ecosystem with a Liquidity Hub, a shared pool that holds assets for the entire platform.
The innovative Hub serves as the single source of liquidity, ensuring borrowers and suppliers draw from the same capital base instead of segmented pools.
Importantly, users will not interact directly with the Hub, although all deposits will eventually flow into it.
The Hub will handle everything, including interest calculations, accounting, and borrowing limits.
Each L1 or L2 can host at least one hub, except for chains with specialized needs or extremely high traffic.
The team expects this consolidation to significantly improve capital efficiency by reducing idle liquidity and enhancing lending conditions.
AAVE outlook
The Aave native token has shown significant selling pressure on its daily chart.
It lost more than 6% in the last 24 hours, trading around $166.
A 27% drop in daily trading volume confirms the bearish sentiment around AAVE.
Meanwhile, its downward trend coincides with broader market weakness.
The total cryptocurrency market capitalization fell more than 4% in the last day to $3.04 trillion, while Bitcoin dropped below $90,000, trading at $89,478.