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Balancer’s $120M Meltdown: How A Series of Small Swaps Almost Broke a Top AMM


by Chayanika Deka
for CryptoPotato
Balancer’s $120M Meltdown: How A Series of Small Swaps Almost Broke a Top AMM

Share:

The Balancer v2 exploit on November 3rd resulted in losses of around $120 million across its main protocol and multiple forks. According to the SlowMist security team’s post-incident analysis, the exploit stemmed from a precision loss flaw in the integer fixed-point arithmetic used to calculate scaling factors inside Composable Stable Pools, which are designed for near-parity asset pairs such as USDC/USDT or WETH/stETH.

In the latest update, SlowMist confirmed that this flaw caused small but consistent price discrepancies during swaps, especially when attackers used the batch swap function to chain multiple operations within a single transaction. The attackers’ strategy was executed across several steps.

Read the article at CryptoPotato

In This News

Coins

$ 0.188

-2.43%

$ 1.00020

+0.01%

$ 3.16K

-0.73%

$ 0.710

+3.68%

Share:

In This News

Coins

$ 0.188

-2.43%

$ 1.00020

+0.01%

$ 3.16K

-0.73%

$ 0.710

+3.68%

Share:

Read More

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Balancer’s $120M Meltdown: How A Series of Small Swaps Almost Broke a Top AMM


by Chayanika Deka
for CryptoPotato
Balancer’s $120M Meltdown: How A Series of Small Swaps Almost Broke a Top AMM

Share:

The Balancer v2 exploit on November 3rd resulted in losses of around $120 million across its main protocol and multiple forks. According to the SlowMist security team’s post-incident analysis, the exploit stemmed from a precision loss flaw in the integer fixed-point arithmetic used to calculate scaling factors inside Composable Stable Pools, which are designed for near-parity asset pairs such as USDC/USDT or WETH/stETH.

In the latest update, SlowMist confirmed that this flaw caused small but consistent price discrepancies during swaps, especially when attackers used the batch swap function to chain multiple operations within a single transaction. The attackers’ strategy was executed across several steps.

Read the article at CryptoPotato

In This News

Coins

$ 0.188

-2.43%

$ 1.00020

+0.01%

$ 3.16K

-0.73%

$ 0.710

+3.68%

Share:

In This News

Coins

$ 0.188

-2.43%

$ 1.00020

+0.01%

$ 3.16K

-0.73%

$ 0.710

+3.68%

Share:

Read More

Solana News: Adoption Expands Across Exchanges, Dominant On Binance

Solana News: Adoption Expands Across Exchanges, Dominant On Binance

Key Insights November was an overall bearish period for the market, especially in pri...
Noticias de Solana: La Adopción Se Expande Por Las Bolsas, Domina En Binance

Noticias de Solana: La Adopción Se Expande Por Las Bolsas, Domina En Binance

Ideas clave Noviembre fue un periodo globalmente bajista para el mercado, sobre todo ...