Welcome to CertiK’s annual 2025 Skynet Hack3D Report! In 2025, total losses due to hacks, scams, and exploits amounted to more than $3.35 billion across 630 on-chain security incidents. Read our report to learn more about the cryptocurrency industry’s major accomplishments this year, an analysis of the most common attack vectors, and security best practices, including how to protect yourself against phishing. We also highlight CertiK’s most notable achievements of 2025.