The multichain exchange aggregator Dexible has suffered a $2 million exploit early Friday, the protocol said in a post mortem report relased on its Discord server.
According to the report, this exploit impacted 13 wallets on the Arbitrum network and 5 wallets on Ethereum Mainnet, with one overlapping with Arbitrum wallets. In total, the attacker stole $2,047,635.17 USD from trader accounts and immediately bridged funds to the BNB chain, where the funds were washed through Tornado Cash using BNB.
Dexible's founders were alerted to the breach after one of them realized that over $50k USDC was removed from their wallet. The team immediately paused all Dexible contracts across all chains
"We are actively working on a remediation plan but we wanted to first focus on triage on the scope of the hack and who was affected." Dexible said on Twitter.
We are actively working on a remediation plan but we wanted to first focus on triage on the scope of the hack and who was affected. We've outlined the details and scope. You can find a full post-mortem in our Discord announcements channel.
— Dexible (@DexibleApp) February 17, 2023
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The protocol also mentioned that “a few whales,” meaning large crypto holders, accounted for about 85% of the losses.
Update: 17 traders were affected total, 4 on Mainnet, 13 on Arbitrum.
— Dexible (@DexibleApp) February 17, 2023
Out of 36 on Arbitrum, only 13 were exploited.
Out of 14 unique on Ethereum, 4 were exploited.
A few big whales were exploited accounted for ~85%
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