Cetus CLMM

What happened

• Cetus CLMM, a defi protocol, lost $223.0M on May 22, 2025.

• The 2nd largest of the 148 incidents recorded in 2025: 8.2% of the $2.72B lost to hacks that year.

• Arithmetic Error is behind 35 recorded incidents totalling $561.0M; this is the largest of them.

Cite this record

Monitoring Room, "Cetus CLMM hack — $223.0M stolen", incident record, data: DefiLlama hacks dataset, as of 2026-10-25 08:00 UTC. https://monitoringroom.com/situation/crypto-hack/cetus-clmm

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