On December 1, sandwich attacks infiltrated over a third of BNB Smart Chain blocks, setting a record for the exploit that preys on decentralized exchange users, data from Dune Analytics reveals.

Analysis shows that 35.5% of blocks contained such attacks, with over $1.5 billion in trading volume affected across 43,400 transactions in a single day.

The spike underscores growing concerns around DEX vulnerabilities. In May, reports highlighted a single bot siphoning $40 million from over 100,000 victims using the same attack within just three months.

A spokesperson for Binance did not immediately respond to a request for comment.

How sandwich attacks exploit the system

Sandwich attacks are a type of market manipulation where an attacker sandwiches a victim’s transaction between two of their own. 

The malicious trader places a buy order just before the victim’s transaction, driving up the token price and a sell order immedi

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Author: Adrian Zmudzinski