According to Dune Analytics, a sandwich attack penetrated more than a third of BNB's smart blockchain blocks on December 1, setting a record for the largest number of exploits targeting users of the decentralized exchange.
According to the analysis, 35.5 percent of the blocks contained such an attack, with daily transaction volume exceeding $1.5 billion and 43,400 transactions affected.
This series of attacks underscores growing concerns about the DEX vulnerability: in May, it was reported that a bot swindled $40 million from more than 100,000 victims in just three months using the same attack.
A Binance spokesperson could not immediately be reached for comment.
Sandwich attacks are a type of market manipulation in which an attacker inserts the victim's trades between his own trades. A malicious trader places a buy order immediately before the victim's trade to inflate the price of tokens, and then places a sell order immediately afterward to profit from the artificially inflated price.
This process is usually automated by Maximum Extracted Value (MEV) bots using DEX infrastructure. Alejandro Munoz-Macdonald, a #smart contracts engineer at cryptocurrency company Immunefi, told Decrypt that such attacks are a direct result of how the DEX infrastructure works.
When a user submits a transaction, it is placed in a public waiting area called a mempool, where it stays until it is included in the block by a minority, he said.
#Radiant Capital is affected by an exploit on all circuits, several #blockchain security companies said Wednesday.
Blockchain security firm Ancilia Inc. first reported suspicious activity of Radiant Capital smart contracts on the #BNB blockchain in a post on Twitter (aka X) at 1:35 p. m. ET on Wednesday, according to Ancilia, A list of transactions on the blockchain showed that hackers withdrew at least $16 million from Radiant to BNB. The assets were...
When a user makes a transaction, it is sent to a mempool, or
b "memory pool.
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