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Cozy Finance (2026) — Crypto Hack
ConfirmedSep 7, 2026·
Optimism
Amount Stolen
$170K
~163K USDC.e
Recovered
$0
Cozy Finance suffered a sustained attack on its Optimism deployment, with ~163K USDC.e drained and bridged out (~$170K).
Summary
Cozy Finance suffered a sustained attack on its Optimism deployment, with ~163K USDC.e drained and bridged out (~$170K).
How It Was Compromised — DeFi via Sustained Attack / Smart Contract Exploit
DeFiSustained Attack / Smart Contract Exploit
On September 7, 2026, Cozy Finance suffered a sustained attack on its Optimism deployment. The attacker drained approximately 163,000 USDC.e (~$170K) from the protocol and bridged the funds out of the Optimism network. The sustained nature of the attack distinguished it from a single-transaction exploit.
Fund Flow & Laundering Analysis
The drained USDC.e was bridged out of the Optimism network to obscure the origin of the funds.
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