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Multisig Failures Dominate as $2B Is Lost in Web3 Hacks in the First Half

A wave of multisig-related hacks and operational misconfiguration led to catastrophic losses in the first half of 2025.

Updated Oct 8, 2025, 11:01 a.m. Published Jul 24, 2025, 1:25 p.m.
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What to know:

  • Over $2 billion was lost to Web3 hacks in the first half of the year, with the first quarter alone surpassing 2024’s total.
  • Multisig wallet mismanagement and UI tampering caused the majority of major exploits.
  • Hacken urges real-time monitoring and automated controls to prevent operational failures.

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