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handle: @STACCoverflow role: former pump.fun developer known for: the May 2024 pump.fun insider exploit, six year UK prison sentence
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Jarett Dunn, known online as STACCoverflow, is a Canadian software developer who carried out the May 2024 insider attack on [[pump fun]], covered in detail at [[pump fun insider exploit]]. Hired as a senior developer, he lasted roughly six weeks before using his privileged access to drain approximately $2 million worth of SOL from the platform's [[bonding curve]] contracts, one of the strangest crimes of the meme coin era because he gave most of the money away and confessed in real time. ## The exploit On May 16, 2024, Dunn used internal access and flash loans to divert SOL held by pump.fun's curves, then airdropped the proceeds to thousands of wallets, including holders of various NFT collections, rather than keeping the funds. He narrated the attack on X as it happened, presenting himself as a whistleblower exposing the platform's risks rather than a thief. Trading on pump.fun halted for several hours; the company said user funds would be restored and the platform resumed operations. The episode punctured the invulnerable image of the biggest launchpad in [[the trenches]] at the height of its early growth. ## Legal saga Dunn was arrested in the United Kingdom shortly afterward and charged with fraud by abuse of position and transfer of criminal property. He pleaded guilty in London in August 2024, telling Decrypt he would "be fine" in prison, then attempted to withdraw the plea at sentencing two months later, a reversal that saw his lawyers quit the case and the proceedings drag on for a year. Released on bail with an ankle monitor, he breached his conditions in mid 2025 by relocating from London to Liverpool without authorization and tampering with the tag, and was jailed on remand. He pleaded guilty again in August 2025. In December 2025 a judge at Wood Green Crown Court sentenced him to two concurrent six year terms, crediting part of his 308 days on an electronic tag and his time on remand toward the sentence. ## Significance Dunn remains a singular figure in trench lore: the insider who robbed the casino and threw the chips into the crowd. His case, alongside the platform's civil litigation, is routinely cited in debates about how much trust the meme coin economy quietly places in the small teams that run its infrastructure. ## References - https://decrypt.co/244308/pump-fun-attacker-pleads-guilty-london - https://decrypt.co/288345/pump-fun-attacker-withdraw-guilty - https://decrypt.co/352876/former-pump-fun-dev-sentenced-six-years-prison-2-million-solana-fraud - https://cryptonews.com/news/ex-pump-fun-dev-behind-2m-theft-jailed-in-london-for-bail-breach-faces-7-years-prison/ - https://www.cryptopolitan.com/ex-pump-fun-dev-sentenced-to-6-years-for-2-million-solana-fraud/ - https://bitcoinist.com/pump-fun-ex%E2%80%91developer-2m-theft-jailed-bail-breach/
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