Mango Markets hacker arrested on fraud charges

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The hacker behind the exploit of the decentralized exchange Mango Markets, which caused $110 million in damage, was arrested in Puerto Rico on charges of market manipulation and fraud.

The Federal Bureau of Investigation has accused Avraham Eisenberg of knowingly and intentionally participating in a scheme involving artificially manipulating the price of perpetual futures contracts on the Mango Markets cryptocurrency exchange.

Earlier, Eisenberg publicly admitted to the attack on the Mango cryptocurrency exchange, saying that he was involved in a team that "used a high-yield trading strategy." He said he believed all of his actions were "legitimate actions on the open market."

However, the FBI has a different legal assessment of Eisenberg's actions. FBI Special Agent Brandon Racz said that Eisenberg knew that his actions were illegal, because the day after the Mango Markets exploit, Eisenberg flew from the United States to Israel.

"This was an attempt to avoid being detained by law enforcement agencies immediately after revealing a market manipulation scheme," he said.

According to a statement from the U.S. Attorney for the Southern District of New York, Eisenberg was arrested on December 26 in Puerto Rico.

In November, Eisenberg tried to repeat his "high-yield trading strategy", this time attacking the decentralized finance (DeFi) protocol Aave. However, the plan failed. As a result of the price manipulation maneuver, he lost millions of US dollars, as the price actually rose during the attack, resulting in losses due to a significant short position.

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The trial of Abraham Eisenberg, suspected of attacking the DeFi platform Mango Markets, was postponed to next year. This is evidenced by court documents.

Initially, the meeting was scheduled for December 4. However, the defense requested a reprieve after their client was "unexpectedly transferred" from a New Jersey prison to a Brooklyn detention center on October 26. This is where FTX founder Sam Bankman-Fried was sent in August, and where he is now after being found guilty.

According to the lawyers request, they need more time to study the case file, prepare it, and because of the "huge" amount of evidence presented by the authorities.

The lawyers also stressed that they lost time in connection with the transfer of Eisenberg to Brooklyn. The prosecution, in turn, considered the time allotted for reviewing the documents sufficient.

Judge Arun Subramanian dismissed the prosecutor's office's protests and scheduled a hearing for April 8, 2024.

In October 2022, a group of traders led by Eisenberg attacked the Solana-based DeFi trading platform and withdrew digital assets worth about $116 million. The Mango Markets community supported the deal with the hackers, under the terms of which they returned $69 million, leaving $47 million as a reward.

After the attack on the platform, Eisenberg earned about $100,000 more by issuing the meme token Mango Inu.

He was arrested in December on charges of commodity and price fraud. Later, the CFTC and SEC put forward claims against the trader.
 

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On April 18, a jury found Abraham Eisenberg guilty in the case of an attack on the DeFi project Mango Markets in 2022 and the withdrawal of digital assets worth $116 million. This is reported by Bloomberg.

During the two-week trial, the defense tried to prove that the defendant did not commit any crimes. According to the lawyers, he developed a "successful and legitimate trading strategy", which resulted in approximately $110 million. They also noted that Eisenberg returned about $67 million to Mango Markets, saving more than $40 million after community approval.

However, the prosecution insisted on punishment for Eisenberg. After several hours of deliberation, the jury found him guilty of fraud and market manipulation.

The court is expected to issue its final verdict on July 29. Eisenberg faces up to 20 years in prison, as well as prosecution by the SEC and CFTC-the agencies made claims in January 2023, but suspended the process due to a criminal case.
 

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Mango Markets Hacker in the Dock: 20 years for $110 million in profit

The jury will have to find out whether Avraham "Avi" Eisenberg is a genius or a cybercriminal.

A jury in the United States has begun discussing charges of fraud and market manipulation brought against Avraham "Avi" Eisenberg, who is accused of using the Mango Markets De-Fi platform to defraud $110 million.

According to the prosecution, in October 2022, Eisenberg made several large transactions on the Mango Markets platform, artificially increasing the value of the token in relation to USD Coin (USDC), after which he withdrew assets. In December of the same year, Eisenberg was arrested in Puerto Rico for participating in a price manipulation scheme.

Eisenberg's defense claims that he only used a legitimate trading strategy that allowed him to earn $110 million, and did not commit crimes. According to the lawyers, Eisenberg did not cheat, but only used the opportunities provided by Mango Markets smart contracts and returned part of the funds to the platform.

Eisenberg, who has been in custody since January 2023, risks up to 20 years in prison if convicted. In addition to criminal charges, civil lawsuits have been filed against Eisenberg by the U.S. Securities and Exchange Commission and the Commodity Futures Trading Commission, which have been postponed until the end of the criminal trial.
 
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