Leaderboard
637All-time rank
Sentiment
Apr 4, 2023
$1.0M
Lost
$1.0M
Recovered
$900K
Net loss
$100K
Majority90% recovered
On April 4, 2023, Sentiment on Arbitrum lost ~$1M due to reentrancy in integrated Balancer; attacker used flashloan price manipulation to drain funds. Sentiment recovered 90% ($900K+) within days through negotiation.
How the exploit worked
View reproducible PoCRead-Only-Reentrancy.
Lost: $1M
Source: DeFiHackLabs (SunWeb3Sec)
- Target
- DeFi
- Classification
- Reentrancy
- Technique
- Reentrancy
- Attribution
- Unknown
- Chains
Arbitrum
Event timeline
- Apr 4, 2023Exploit executed — $1.0M drained via reentrancy
- Attributed to Unknown
- Recovery status Majority 90%
Data credits
- DefiLlamaIncident record, amounts, chains, recovery data and logo
- DeFiHackLabsExploit analysis and reproducible proof-of-concept (by SunWeb3Sec)