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Mango Labs sues Trader to allegedly recover tokens that were stolen.
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Mango Labs sues Trader to allegedly recover tokens that were stolen.

publication datereading time2 min read
After an unnamed trader made $114 million in 20 minutes in October by manipulating the price of Mango Labs' cryptocurrency tokens on its exchange, Mango Labs LLC filed a lawsuit against the trader.

A federal complaint was filed by the corporation on Wednesday in Manhattan, claiming that Avraham Eisenberg promised to refund $67 million of the ill-gotten gains a few days later. However, Mango claims that "he maintained, and continues to retain," the remaining funds.

Previously, Eisenberg had been sued by both the US Commodity Futures Trading Commission and the US Securities and Exchange Commission. He was suspected of MNGO token manipulation by both organizations. He is also being prosecuted for criminal offenses. In December, he was jailed following an arrest in Puerto Rico. It is unclear from the filings whether or not he has been transferred to New York.

Mango perpetual swaps are futures that allow traders to keep positions open, and on October 11, Eisenberg reportedly exploited two accounts on the Mango Markets exchange that he owned to influence the price of Mango perpetual swaps. According to court documents, he was able to increase the value of the swaps by 1,300% in just 20 minutes and then cash out.

As the price of its MNGO tokens plummeted to 2 cents the day following what Mango Markets called Eisenberg's "malicious attack," the company made the decision to temporarily halt operations.

Eisenberg presumably made reference to the Mango fraud when he boasted on Twitter that he was part of a team that "managed an extremely lucrative trading technique." In his article, he explained that, in his opinion, his behavior was within the law.

Even if the protocol's designers didn't think of everything, I maintain that everything we did was within the law since we followed the protocol's stated guidelines for operating in the open market.

Moreover, Eisenberg was accused by Mango Labs of targeting crypto lending platform Aave. The business said that since the hack, the defendant "has continued to plot to target Mango Markets further, in public," and that he has used the stolen cryptocurrency to launch attacks on other cryptocurrency protocols.

Eisenberg's whereabouts and legal representation were also unknown at press time.

US District Court, Southern District of New York, case number 1:23-cv-00665, Mango Labs, LLC v. Eisenberg (Manhattan).

Previously, Eisenberg had been sued by both the US Commodity Futures Trading Commission and the US Securities and Exchange Commission. They both said he had manipulated the MNGO token in some way. He is also being prosecuted for criminal offenses. In December, he was taken into custody in Puerto Rico. It is unclear from the filings whether or not he has been transferred to New York.

Mango perpetual swaps are futures that allow traders to keep positions open, and on October 11, Eisenberg reportedly exploited two accounts on the Mango Markets exchange that he owned to influence the price of Mango perpetual swaps. According to court documents, he was able to increase the value of the swaps by 1,300% in just 20 minutes and then cash out.

As the price of its MNGO tokens plummeted to 2 cents the day following what Mango Markets called Eisenberg's "malicious attack," the company made the decision to temporarily halt operations.

Eisenberg presumably made reference to the Mango fraud when he boasted on Twitter that he was part of a team that "managed an extremely lucrative trading technique." In his article, he explained that, in his opinion, his behavior was within the law.

Even if the protocol's designers didn't think of everything, I maintain that everything we did was within the law since we followed the protocol's stated guidelines for operating in the open market.