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devconnect arg / storage proofs done wrong a case study

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Storage Proofs Done Wrong: a Case Study

Duration: 00:20:50

Speaker:

Type: Talk

Expertise:

Event: Devcon

Date: Jul 2026

A critical vulnerability was discovered in an open-source library for MPT proof verification, which was used by a few large protocols to operate on L2s. Millions of user funds were at risk, but it was patched before it could be exploited. Speaker: Elia Anzuoni, Smart Contract Auditor, ChainSecurity. Presentation Slides: https://docs.google.com/presentation/d/1uYx5HyYJhFpk0NMPBqaWw23Ooux1ZCo_buEGBSE8mp8/edit?slide=id.p#slide=id.p About DSS DSS brings together top minds in blockchain, auditing, and security — from white-hat hackers and protocol developers to academic researchers and industry leaders. The goal? To tackle the most pressing issues in DeFi security head-on — from smart contract exploits and cross-chain vulnerabilities to governance threats and beyond. https://defisecuritysummit.org/schedule