- Balancer exploited for more than $120 million in one of the year’s largest DeFi hacks.
- Attackers targeted V2 pools holding WETH, osETH, and wstETH, with the breach still ongoing.
- Security experts urge users to withdraw liquidity and monitor wallets immediately.
Decentralized exchange and liquidity protocol Balancer has suffered a major security breach, with attackers stealing over $120 million in digital assets.
Blockchain analytics firms Lookonchain and Nansen report that the exploit is still active, with stolen funds moving across multiple linked wallets.
Assets Stolen and Impact
On-chain data shows that the attackers took around:
- 7,838 WETH (≈ $29.05 million)
- 6,341 osETH (≈ $24.8 million)
- 4,260 uniETH (≈ $67.8 million)
The stolen tokens were transferred to a new wallet flagged as suspicious by analysts. This ranks among the largest DeFi hacks of 2025, raising renewed concerns about the security of decentralized finance protocols.
Despite increased auditing and regulation efforts, this incident shows that even established DeFi platforms remain vulnerable to smart contract flaws and poor configurations.
V2 Pools Identified as Primary Target
Early reports indicate the exploit mainly targeted Balancer’s Version 2 (V2) liquidity pools, especially those involving ETH and stETH.
Balancer moderators confirmed on Discord that V2 pools were affected, while V3 pools appear safe for now. The Balancer team has also issued an official statement on X.
On-chain security expert Clyde noted on X that the breach shows the urgent need for “real-time audit visibility” in DeFi pools. He recommended tools such as DeBank and DefiLlama to track suspicious wallet activity.
The Balancer hack underscores the ongoing security challenges in decentralized finance. Many DeFi protocols remain at risk from coding bugs, flash loan exploits, and setup errors.
Balancer was previously hit by a smaller exploit in 2023, which cost the platform about $238,000. The scale of this new breach marks a major escalation in both impact and sophistication.
Market Reaction
The Balancer exploit came as the broader crypto market experienced mixed performance. Bitcoin is trading at a loss of 3.2% in the past day at $107,111, while Ethereum slipped below $3,700 after a 4.5% downtrend.
Related: Euler DeFi Protocol Faces Loss of $177M In Major Attack
The Balancer breach adds pressure on decentralized platforms to tighten security measures and reassess governance processes. An analyst expects emergency votes, temporary protocol pauses, and potential recovery attempts if the attackers begin moving stolen funds across chains.
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Source: https://coinedition.com/attackers-steal-over-120m-from-balancer-in-one-of-2025s-largest-defi-hacks/