CertiK Intel3D H1 2026 Wrench Attacks

Web3 security losses exceeded $1.31 billion in H1 2026 across 344 incidents, with wallet compromise emerging as the most financially destructive attack vector and phishing shifting toward fewer, higher-value social engineering attacks.

After the publication of our February 2026 Wrench Attacks Report, we now look at the continued escalation of wrench attacks, which have become a structural threat for cryptocurrency holders.

In 2025, wrench attacks unfortunately crossed a critical threshold. What was once treated as an edge-case risk has become a structural threat to digital asset ownership. Attackers are no longer acting opportunistically; they are operating as organized, transnational groups that combine OSINT-driven targeting, social engineering, and extreme physical violence to extract private keys.