U.S. DoJ arrests brothers for a $25M Ethereum blockchain MEV attack

on May 15, 2024
  • Brothers Anton and James accused of $25M Ethereum 12-second exploit.
  • The charges against the two brothers mark first U.S. criminal action against MEV on blockchain networks.
  • The exploit showcases vulnerabilities, raises integrity concerns in Ethereum.

Follow Invezz on Telegram, Twitter, and Google News for instant updates >

In a first-of-its-kind case, the U.S. Department of Justice has arrested and charged two brothers, Anton Peraire-Bueno and James Pepaire-Bueno, for orchestrating a sophisticated attack on the Ethereum blockchain.

Are you looking for signals & alerts from pro-traders? Sign-up to Invezz Signals™ for FREE. Takes 2 mins.

The accusations against the two brothers allege that the brothers executed a novel scheme to exploit the Ethereum network, resulting in the fraudulent acquisition of approximately $25 million worth of cryptocurrency in just 12 seconds.

How the Ethereum heist was executed

Copy link to section

The DOJ indictment unveils a meticulously planned operation by the Peraire-Bueno brothers, leveraging their expertise in computer science and mathematics.

With specialized skills honed during their education, coupled with their knowledge of cryptocurrency trading, the brothers allegedly manipulated the very integrity of the Ethereum blockchain.

Through a process involving the exploitation of pending transactions, they tampered with the protocols governing transaction validation, granting them unauthorized access to alter transactions and steal victims’ cryptocurrency.

The exploit, believed to be the first of its kind, highlights the vulnerabilities inherent in blockchain technology, particularly regarding maximal extractable value (MEV) practices.

MEV, a controversial aspect of blockchain operations, involves operators previewing upcoming transactions to gain additional profits for themselves.

The Peraire-Bueno brothers allegedly capitalized on this loophole, using MEV-boost software employed by Ethereum validators to execute their fraudulent scheme.

Copy link to section

The investigation into the $25 million Ethereum exploit was led by the IRS Criminal Investigation (IRS-CI) New York’s Cyber Investigations Unit, with support from U.S. Customs and Border Protection and the New York City Police Department.

Their relentless pursuit of financial criminal activities, both on and off the blockchain, underscores the commitment to maintaining the integrity of financial systems in the digital age.

The legal proceedings surrounding the case exemplify the evolving landscape of cryptocurrency regulation and enforcement.

Deputy Attorney General Lisa Monaco emphasized the Department of Justice’s dedication to combating fraud in cryptocurrency markets, restoring confidence, and supporting victims of such crimes.

U.S. Attorney Damian Williams for the Southern District of New York highlighted the significance of prosecuting individuals who compromise the integrity of financial systems, regardless of the sophistication of their schemes.

As the case unfolds, it serves as a stark reminder of the potential risks associated with cryptocurrency transactions and the importance of robust regulatory frameworks to safeguard investors and prevent illicit activities.

The outcome of this landmark case will likely shape future efforts to combat fraud and enhance security within the cryptocurrency ecosystem.


Want easy-to-follow crypto, forex & stock trading signals? Make trading simple by copying our team of pro-traders. Consistent results. Sign-up today at Invezz Signals™.

Learn more
Ethereum USA Crypto Crypto crime