BitMEX Warns of New Scam Targeting Mt. Gox Bitcoin Wallet

Crypto News Exploits

Written by Aaron S.,

Editor-In-Chief

Last Updated: July 09, 2025

Key Takeaways

A scam targeting a Mt. Gox-linked Bitcoin wallet used an OP_RETURN message to lure the owner to a fake website posing as "Saloman Brothers";
BitMEX flagged the site as fraudulent and warned it was designed to collect personal data from the wallet’s owner;
Several old Bitcoin wallets from 2011, including the one holding 79,956 BTC from the Mt. Gox hack, have been targeted with similar scams.

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BitMEX Warns of New Scam Targeting Mt. Gox Bitcoin Wallet

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A Bitcoin BTC $90,147.84 wallet linked to the Mt. Gox hack has become the target of a new scam.

According to a July 8 post on X, BitMEX $139.12K Research noticed an unusual transaction sent to the crypto address 1FeexV6bAHb8ybZjqQMjJrcCrHGW9sb6uF.

Instead of transferring crypto, the transaction used Bitcoin’s OP_RETURN feature to leave a short message on the blockchain.

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The message included a web link that leads to a page claiming the wallet "appears to be lost or abandoned". The site also claims that someone has "taken constructive possession" of it and is looking for the rightful owner.

The page is presented as if it belongs to "Saloman Brothers", which references a Wall Street firm that closed in 1980.

BitMEX called the site fake and warned that it is part of a scam designed to collect private information. They also noted that other Bitcoin addresses created in 2011 have been targeted in a similar way.

In 2011, the wallet in question first received 79,956 BTC stolen during a security breach at Mt. Gox, a Japanese-based cryptocurrency exchange. Overall, attackers took 850,000 BTC from Mt. Gox before it collapsed, an amount now valued at over $92 billion.

Recently, SlowMist, a blockchain security firm, reported that a crypto holder lost nearly $6.9 million after buying a discounted cold wallet through Douyin, the Chinese version of TikTok. How? Read the full story.