From Oct. 10, 2023 to Oct. 16, 2023, Ribbon finance engaged Veridise to review the security of their aevoHSDAI. aevoHSDAI (Aevo hybrid sDAI) is an exchange asset, an ERC4626 vault deployed on L2 that allocates between aevoUSDC and aevosDAI. aevoHSDAI is part of Aevo Exchange which Veridise audited previously. aevoHSDAI allows users, market-makers and strategies to earn interest on their exchange equity. Veridise conducted the assessment over 10 person-days, with 2 engineers reviewing code over 5 days. The auditing strategy involved a tool-assisted analysis of the source code performed by Veridise engineers as well as extensive manual auditing.