A recent investigation by onchain analyst ZachXBT has uncovered the alleged identity and activities of a high-profile trader known as the “Hyperliquid whale,”
An onchain sleuth has linked a mysterious trader known as the “Hyperliquid whale,” who profited approximately $20 million through high-leverage crypto trades, to illicit activities, including casino exploits and phishing schemes.
The trader, who operated under the wallet address 0xf3f, was previously linked to two significant onchain trades: a $10 million profit from a 50X leveraged ethereum and bitcoin ( BTC) long position just before a major crypto announcement by President Trump, and a $9 million profit from a 40X leveraged bitcoin short position.
However, onchain analyst ZachXBT probed further into the whale’s activities and linked the trader to a cluster of wallets linked to various online casinos, such as Roobet, Binance, and Gamdom, as well as phishing schemes. One of the wallets was identified as the fee receiver for a phishing site in January 2025. Additionally, the wallet received $17,100 from another phishing operation earlier that month.
Probing further, ZachXBT discovered that the funds used for these high-leverage trades originated from an input validation exploit on a casino game. The game exploiter had reached out in GMX-related groups on Telegram for assistance, and while the exploiter’s Telegram account was later deleted, ZachXBT linked it to the Hyperliquid whale’s activities.
The investigation also uncovered a payment from the whale to an individual who provided a UK phone number. Through public records, the number was linked to William Parker, a known fraudster who was previously arrested for stealing $1 million from two casinos in 2023. Parker, who previously went by the name Alistair Packover, has a history of fraud and gambling-related crimes dating back to the early 2010s.
The Hyperliquid whale’s activities highlight the intersection of legal and illicit activities in the decentralized finance (DeFi) space. While the trader’s high-leverage trades and substantial profits have been a subject of fascination among onchain analysts, the investigation by ZachXBT sheds light on the darker side of the whale’s activities.
At press time on March 20, the trader has a long position on the meme coin MELANIA and hasn’t been targeting BTC or ETH since earlier in the week.
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