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Jonathan Spalletta Cthulhon Jspalletta indicted in Jonathan Spalletta / Uranium Finance hack and laundering case

Law Enforcement
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H score 36
2 unique sources, 2 articles

Summary

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U.S. prosecutors charged Jonathan Spalletta in a federal cybercrime case tied to the Uranium Finance hack, alleging more than $53 million in stolen crypto was laundered after repeated intrusions. The charge expands his criminal exposure for both the breach and the laundering scheme, while keeping recovery efforts focused on the stolen assets. It also highlights how smart-contract abuse can trigger massive losses and serious criminal liability.

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Timeline

  1. 31.03.2026 12:15 1 articles · 1mo ago

    Jonathan Spalletta drains Uranium Finance on April 8, 2021

    Exploitation Observed

    Jonathan Spalletta exploits a flaw in Uranium Finance smart contract code on April 8, 2021, abusing the AmountWithBonus variable to issue zero-token withdrawal commands, drain about $1.4 million from the liquidity pool, and extort the exchange into assigning nearly $386,000 as a sham bug bounty.

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  2. 31.03.2026 12:15 1 articles · 1mo ago

    Jonathan Spalletta's second Uranium Finance exploit shuts down the exchange on April 28, 2021

    Exploitation Observed

    Jonathan Spalletta returns on April 28, 2021 and exploits a separate single-character coding error in Uranium Finance transaction-verification logic, causing it to use 1,000 instead of 10,000, withdrawing nearly 90% of the assets across 26 liquidity pools while depositing effectively zero tokens, netting about $53.3 million and forcing Uranium Finance to shut down immediately.

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  3. 31.03.2026 12:15 2 articles · 1mo ago

    U.S. prosecutors charge Jonathan Spalletta in the Uranium Finance case

    Legal Policy Action Update

    U.S. prosecutors charge Maryland man Jonathan Spalletta, known online as Cthulhon and Jspalletta, after his surrender to law enforcement and appearance in U.S. federal court; the charging action alleges two Uranium Finance smart-contract hacks, laundering through Tornado Cash, and exposure to up to 10 years for computer fraud and up to 20 years for money laundering.

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