Welcome to CertiK’s Hack3d report for Q1 of 2025! During this quarter, hackers stole more than $1.6 billion across 197 security incidents. These figures represent an approximate 303.38% increase in value lost compared to the previous quarter, the majority of which is due to the Bybit exploit, the largest crypto theft in history. In our report, we discuss the latest trends in Web3 security, including an analysis of the most prominent attack vectors and targeted chains. We also highlight a variety of our recently-published technical and educational resources.