- On-chain analyst ZachXBT links a trader who netted ~US$20M from leveraged trades on Hyperliquid and GMX to convicted fraudster William Parker.
- Parker, with a history of hacking and gambling offenses, is accused of stealing US$1M from casinos and being tied to dubious wallet transactions.
- Despite Parker’s denial of wrongdoing, ZachXBT plans to release detailed proof.
On-chain sleuth ZachXBT claims that a British hacker named William Parker, previously known as Alistair Packover, is the anonymous whale who profited roughly US$20M (AU$31.7M) from high-leverage trades on two popular decentralised exchanges (DEXs): Hyperliquid and GMX.
In the March 20 post on X, ZachXBT said Parker allegedly stole US$1M (AU$1.57M) from two casinos last year and has a history of hacking and gambling offenses spanning over a decade. The investigator said “WP” has not learned his lesson over the years:
It is abundantly clear WP/AP has not learned his lesson over the years after serving time for fraud and will likely continue gambling,

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Hyperliquid Whale is a British Hacker
ZachXBT tied Parker to the whale after someone supposedly received a payment from the whale trader’s wallet address and provided Parker’s phone number. Additionally, ZachXBT alleges that wallet addresses connected to the whale contain proceeds from prior onchain phishing schemes.
However, Parker tried to defend himself, denying any wrongdoing, and demanded that ZachXBT provide clarity regarding which specific “stolen funds” were being referenced. The trader pointed out that their wallet has received thousands of transactions, including from addresses with questionable reputations, but dismissed the idea that this alone proves criminal intent:
RE: Baseless speculations. Which stolen funds, exactly?
William Parker
ZachXBT responded by announcing plans to release detailed proof at 1:00 PM UTC the following day. The on-chain analyst also suggested that the whale’s X account was recently acquired and reaffirmed claims that the wallet received funds linked to wallet-draining malware and potentially nefarious exchanges or online casinos.
Meanwhile, the analytics platform Hypurrscan shows that the whale opened another leveraged long position, this time 5x, on a token named MELANIA.
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