# 🚨 Balancer breakout: losses exceed 128 million Dollar
## What happened?
On November 3, 2025, the Balancer platform, one of the largest automated market maker protocols (AMM) on the Ethereum network, suffered a major breakout that resulted in the loss of over 128 million Dollars in digital assets.
## Technical Details 🔍
The breakout specifically targeted Balancer V2 Composable Stable Pools, exploiting a subtle vulnerability in the smart contracts related to a rounding and precision error. The flaw was in the validateUserBalanceOp function, which allowed attackers to make unauthorized withdrawals from the main Balancer vault.#Blockchain #CryptoNews
View Original
This page may contain third-party content, which is provided for information purposes only (not representations/warranties) and should not be considered as an endorsement of its views by Gate, nor as financial or professional advice. See Disclaimer for details.
# 🚨 Balancer breakout: losses exceed 128 million Dollar
## What happened?
On November 3, 2025, the Balancer platform, one of the largest automated market maker protocols (AMM) on the Ethereum network, suffered a major breakout that resulted in the loss of over 128 million Dollars in digital assets.
## Technical Details 🔍
The breakout specifically targeted Balancer V2 Composable Stable Pools, exploiting a subtle vulnerability in the smart contracts related to a rounding and precision error. The flaw was in the validateUserBalanceOp function, which allowed attackers to make unauthorized withdrawals from the main Balancer vault.#Blockchain #CryptoNews