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Analysts in research Bitmex increased alarm about fraud focusing on early Bitcoin Holders, especially those with wallets from 2011.
According to the company, fraud seems to use long -term addresses by injection of false transactions and misleading messages via OP_RETURN outputs, an optional field in bitcoin transactions that can carry any data.
In one documented case, fraudsters focused on the well -known “1fex” wallet that pays around 80,000 BTC that was believed to have been stolen Mt. Gox. The attackers have created a message that connects victims with a fraudulent website that sets out for the extinct company Wall Street Salomon Brothers.
A false website represents a legal announcement claiming that the wallet is “lost or abandoned”. It then calls on the assumed owner to prove their claim by signing a string message using a private key or by sending a personal documentation via a web contact form. If no answer is received by October 5, the notification states, the wallet will be considered legally abandoned.
False legal demands
Bitmex warned that the site was not showing any credible reference to the real brothers Salomon or its former leadership. While the site shows a list of real individuals who once worked in the company, no one seems to be associated with this new and probably fraudulent entity.
The platform called the approach commemorating the former fraud associated with controversial data, such as Calvin Ayre, which previously funded legal steps involving the same bitcoin address.
Bitmex Research said:
“The links between this company and this website are fake. There is a page with” Advisory Board “that contains real people who worked at Salomon Brothers at the age of 80, but these people seem to have no connection with this new false entity.”
Members of the community have also considered and noted that legitimate owners of wallets can simply move a small amount of BTC to demonstrate activity rather than converting full balance.
It also led many people to suspect that the campaign is part of a wider Social engineering fraud efforts Designed to collect sensitive information under pretext.
Bitmex stressed that users should not interact with the contact form or provide personal information.
The emergence of these fraud illustrates the growing complexity of crypto -related fraud. Only in the first half of 2025 hackers stole over $ 2.1 billion During 75 separate incidents, by a 10% increase compared to the same period in 2024.
