Cozy V2

What happened

• Cozy V2, a defi protocol, lost $427K on August 30, 2025.

• The 88th largest of the 148 incidents recorded in 2025: under 1% of the $2.72B lost to hacks that year.

• The first of 2 recorded incidents at Cozy V2; the next followed in September 2026, $163K.

• Missing Input Validation is behind 53 recorded incidents totalling $330.6M; this is the 27th largest of them.

Cite this record

Monitoring Room, "Cozy V2 hack (2025) — $427K stolen", incident record, data: DefiLlama hacks dataset, as of 2026-10-25 08:00 UTC. https://monitoringroom.com/situation/crypto-hack/cozy-v2

Other recorded incidents at Cozy V2

DefiLlama records 2 separate incidents under this name.

Nearby in the record