$2.3 Billion Lost in H1 2025 — The Alarming State of Web3 Security

The first half of 2025 has been nothing short of alarming for the Web3 ecosystem. With over $2.3 billion lost to crypto exploits and security breaches, the space has witnessed an unprecedented spike in attacks, surpassing even the total recorded losses of 2024 in just six months.

This sharp rise in exploits reflects not just the growing adoption of decentralized platforms, but also the increasing sophistication of attackers who are quick to exploit overlooked vulnerabilities.

At QuillAudits, we have been at the forefront of monitoring, analyzing, and auditing these critical incidents. Our recently published H1 2025 Crypto Exploits & Security Breaches Report isn’t just another recap, it’s a comprehensive breakdown of emerging attack patterns, high-profile hacks, and the evolving security landscape shaping Web3 today.

Key Insights from the H1 2025 Report:

• $1.6 billion lost to Access Control Exploits, making it the most damaging category of attacks.
• Social Engineering tactics remain dangerously effective, exploiting human behavior to bypass technical defenses.
• Ethereum leads both in adoption and as a target, suffering $1.59 billion in losses — a stark reminder that mainstream chains…