ChainBleedv0.1 · open intel
← back to feed·OPINFRASTRUCTURE2022-06-05 · 4y ago
Incident · DEFILLAMA

Wintermute

Cross Chain Multisig Deployment Exploit
Estimated loss
$27.60M
VERDICT —OUT OF SCOPE
Root cause is infrastructure (DNS / cloud / database / third-party API) compromise, not on-chain contract logic. Pre-deployment source review would not surface this; coverage lives in cloud-security + supply-chain audit, separate discipline.
▰ METHOD
Cross Chain Multisig Deployment Exploit
INFRASTRUCTURE
Root cause

Root-cause analysis not yet published. The incident description below contains all currently available signal — review the attack transaction directly for definitive forensics.

Forensic narrative

Classification: Infrastructure. Technique: Cross Chain Multisig Deployment Exploit. Target type: DeFi Protocol. Affected chains: Optimism.

Sourced from
DefiLlama Hacks dataset · api.llama.fi/hacks
Technical record
chain
optimism
protocol
Wintermute
bug_class
infrastructure
date_occurred
2022-06-05
loss_usd
$27,600,000
classification
Infrastructure
technique
Cross Chain Multisig Deployment Exploit
target_type
DeFi Protocol
source_id
dl:adhoc:wintermute:1654387200
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