It started like a normal Monday on-chain.
Then $116 million vanished.
Balancer just suffered its biggest exploit in history
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1/ At first, it looked small.
A few suspicious transfers.
Some staked ETH leaving Balancer V2 pools on Ethereum.
6,587 WETH.
6,851 osETH.
4,260 wstETH.
Gone.
2/ But within hours, it spread.
Arbitrum.
Base.
Sonic.
Even forks on Polygon and Optimism.
By nightfall, more than $116 million was gone.
And the wallets were still moving.
3/ The first hit came from a single transaction:
0xd155207261712c35fa3d472ed1e51bfcd816e616dd4f517fa5959836f5b48569
It drained nearly $70 million in one go.
A textbook precision strike, not a random exploit.
4/ Soon after, on-chain monitors lit up.
@peckshield. @nansen_ai. @lookonchain.
They all saw the pattern:
Custom ERC-20s, flash loans, fresh contracts.
27 forks potentially exposed.
Balancer V3 untouched for now.
5/ No statement from Balancer yet.
No post-mortem.
Just silence.
Meanwhile, the exploiterās wallets
0xaa76ā¦, 0x8727ā¦, 0x0453ā¦
kept moving funds across bridges.
6/ This isnāt the first time Balancerās been hit.
2020: $500K drained from pool logic.
2023: a frontend hack fooled users.
2025: the biggest one yet (230Ć larger)
Same name. Same problem.
Different year.
7/ The root cause?
Still under the microscope.
Early traces point to V2 pool logic
flash loan manipulation or mispriced swaps.
If confirmed, itās another reminder:
DeFi composability cuts both ways.
8/ Across X, panic spread.
āRevoke approvals.ā
āDonāt touch affected pools.ā
āEverything is still live.ā
The advice is simple:
Use tools like Revoke cash, stay flat, and wait for a verified fix.
9/ By the numbers:
> $116M+ drained
> 27 forks affected
> $BAL down 10%
> $3B+ in DeFi hacks this year alone
Itās not just an exploit.
Itās a pattern and itās getting worse.
10/ In a year filled with ETF rallies and AI hype,
this attack was a brutal reminder:
Code doesnāt care about bull runs.
Smart contracts donāt forget mistakes.
11/ The Balancer exploit isnāt over yet.
Funds are still moving.
Audits are pending.
And DeFiās trust is cracking, block by block.
Because decentralization doesnāt mean invincibility.
It just means..youāre on your own.
8,15Ā rb
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