Balancer is in trouble. Decentralized exchange deals with massive $100 million exploit. They are now making a final appeal to the hackers to return their funds.
In order to resolve the issue with a bounty rather than a long-term battle, the Balancer team asked the attackers to come forward.
On-chain final warning
Regarding this hacking issue, Balancer placed messages directly on-chain for the first time. DAO issued a warning to the wallet that was the cause of the hack. The instructions were easy. Return stolen funds, claim bounties, or face technical, legal, and on-chain consequences.
On Wednesday, we sent an on-chain message to all known addresses involved in Monday’s exploit, following best practices and providing a path for the hackers to contact us and refund their funds.
We understand that affected users are awaiting further updates. from now on… pic.twitter.com/alUh4n9C3V
— Balancer (@Balancer) November 7, 2025
The impact on many users has been significant, and we are awaiting news on future responses. Ballancer said he will keep updated on the progress as the investigation continues.
$100 million exploit
This exploit attacked Balancer’s V2 Composable Stable Pool. Over $100 million in staked Ether was leaked. This includes OSETH, WETH, and wstETH. They moved all their funds to a new wallet.
Then people started asking questions about the audit. Even though four different security companies were reviewing Balancer’s smart contracts, the exploit still occurred.
protocol @balancer hacked
Stolen assets across multiple chains now exceed $116 million pic.twitter.com/8350ucrliZ
— 0xMarioNawfal (@RoundtableSpace) November 3, 2025
Last Wednesday, Balancer announced a postmortem. They explained the problem. The hackers used BatchSwaps and the rounding function associated with EXACT_OUT swaps. This flaw occurred in both v2 Stable pools and Composable Stable v5 pools. This combination opened the door for the attackers. Cointelegraph has contacted one of the auditors. They did not respond until after the article was published.
— Balancer (@Balancer) November 5, 2025
bounty offer
The amount of the reward was not disclosed in the on-chain message. However, previously, the Balancer team announced that it would provide up to 20% of the stolen funds. That’s over $20 million, and as of this writing, no one had accepted the deal.
Balancer attempts to resolve this issue without causing any further harm. The team wants the hackers to return their funds so they can move forward and strengthen the platform’s security.
🚨 Warning: Balancer issues final on-chain warning to hackers behind $100M exploit, offering reward for return of funds pic.twitter.com/4Lco5DBF8q
— Cointelegraph (@Cointelegraph) November 8, 2025
conclusion
The Balancer exploit is one of the biggest crypto attacks of the year. DAO wants the bounty to work. They hope hackers will choose cooperation over disruption. Balancer is closing this chapter and doing everything he can to rebuild trust.
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