# Aave V4 audit contest Sherlock · Lending · 12th January 2026 · #1 A public audit contest on Sherlock (lending), completed on 12th January 2026. 0xSimao placed #1. His findings from it are not published individually. ## What Aave V4 is Aave V4 rebuilds the protocol around a hub-and-spoke architecture: each network's liquidity concentrates in a single Hub, and Spokes, the user-facing entry points for borrowing, e-mode or new asset classes, draw on that shared liquidity, so features ship as new spokes without fragmenting the pool. ## Scope The Sherlock contest covered the V4 core, 44 files and 3,614 nSLOC across the Hub and Spoke architecture: the liquidity Hub's accounting, the borrowing and e-mode Spokes drawing on it, and the risk and rate configuration between them. ## The contest [View the contest page](https://audits.sherlock.xyz/contests/1209)