Balancer X Logo

Balancer Hack Report: $128M Stolen in DeFi Attack - November 3, 2025

By supamaku | supamaku | 3 Nov 2025


a228ab1571b3cdfffba2cc640cf19269de1ff2ebfe410f289bca59ce159fe947.jpg 

Balancer, a popular DeFi app on Ethereum, got hacked today.

Hackers stole about $128 million from its old version (V2) pools. The team says it's investigating and asks users to stop using V2 right away.

What Happened?

  • The hack started early today.
  • Hackers found a bug in the smart contract code.
  • They drained money from liquidity pools.
  • Main assets stolen: staked ETH like osETH, WETH, wstETH.
  • Affected chains: Ethereum, Arbitrum, Polygon, and more.

Balancer posted on X: "Potential exploit on V2 pools. Revoke approvals now!" V3 pools are safe.

 

How Much Was Lost?

  • Total: $128.6 million.
  • Started at $70M, grew fast.
  • Over 27 similar projects (forks) also hit, like Beets Finance.

The hacker is moving funds but might return some for a bounty.

 

Effects

  • BAL token price dropped 15% to $0.90.
  • ETH and Bitcoin prices dipped a bit.
  • Users in pools lost money. Balancer will try to pay back.
  • DeFi feels risky again. People moving funds to safer spots.

 

What to Do

  1. Go to revoke.cash and remove Balancer approvals.
  2. Don't add money to V2 pools.
  3. Use V3 or other apps like Uniswap.
  4. Watch Balancer on X for updates.

This is the biggest hack for Balancer ever. It shows even checked code can have bugs. Stay safe in crypto: check wallets often!Not financial advice. Do your own research.

How do you rate this article?

7


supamaku
supamaku

Crypto and blockchain enthusiasts


supamaku
supamaku

I'm a Sneakerhead, Gshock enthusiast, animal lover with a slight cute aggression. Data Analyst by profession. Crypto enthusiast since November 2021, CPU miner since December 2021, GPU miner since January 2022. Now a trying-hard crypto blgger. :)

Send a $0.01 microtip in crypto to the author, and earn yourself as you read!

20% to author / 80% to me.
We pay the tips from our rewards pool.