In July 2022, HYDN Seekers and Position Exchange worked together to remediate a re-entrancy vulnerability which we identified in their Marketplace contract. In this article, we’ll take a deep dive into the found vulnerability and how it was remediated. — What is HYDN Seekers? As part of HYDN’s ongoing efforts to help make blockchain a safer place for all, the HYDN Seekers team review and assess live dApps and protocols for exploits and help owners remediate them before bad actors can find and act upon them. …