Ronin Contract Vulnerability: $12.00M Reported Loss
The Ronin Bridge project experienced unusual cross-chain asset withdrawals, suggesting a potential attack.
- Reported loss
- $ 12,000,000
- Attack category
- Contract Vulnerability
Incident Overview
According to the SlowMist security team, the vulnerability was caused by the modification of weight to an unexpected value, allowing funds to be withdrawn without passing any multi-signature threshold checks. The attacker extracted approximately 4,000 ETH and 2 million USDC from the bridge, amounting to a value of around $12 million. As of August 7th, white hats have returned $12 million worth of assets and received a $500,000 bug bounty.
Sources & References
This record presents information attributed to the linked sources. Incident dates describe the original event, not a new report. Reported loss figures reflect the source record and are not current market valuations.