Monitoring
Dashboard/Crypto Hacks/Cozy V2
LOWOptimism·Missing Input Validation·#757 all-time

Cozy V2

$427K stolenSaturday, August 30, 2025 · 376 days ago

Corpus updated 2026-09-10

Other recorded incidents at Cozy V2

DefiLlama records 2 separate incidents under this name.

Cozy V2 — 2026
Optimism$163K

Situation Summary

8/30/2025 — EXPLOIT DETECTED

$427K drained from Cozy V2 on Optimism.

TECHNIQUE: MISSING INPUT VALIDATION

Social Reactions

@ZachXBT coverage

On-chain investigator · Often first to report

View on 𝕏 →

Community discussion

Live search for “Cozy V2hack” on 𝕏

View on 𝕏 →

DefiLlama incident data

Full database of DeFi hacks and exploits

View →

Related — Missing Input Validation Exploits

RetoSwap
5/20/2026$2.7M
Growth DeFi
2/9/2021$1.4M
Bond Protocol
10/21/2022$300K
Miner
2/15/2024$466K
Glide Finance
10/18/2021$300K

Nearby in the record

BetterBank
8/26/2025$5.0M
OlaXBT
9/1/2025$2.0M
Panoptic V1.1
8/25/2025$0
Bunni V2
9/2/2025$8.4M
BtcTurk
8/14/2025$48.0M
Nemo Yield Trading
9/8/2025$2.6M
← All incidents

Source: DefiLlama · 1262 recorded incidents · data as of 2026-09-10 05:04 UTC