By Nana 
Analysts and blockchain security researchers at BitMEX Research have issued an urgent security warning to early Bitcoin holders regarding a novel and increasingly sophisticated phishing campaign. The scheme specifically targets long-dormant wallets dating back to the pioneering eras of cryptocurrency, most notably 2011, leveraging on-chain data manipulation and elaborate legal impersonation tactics to trick unsuspecting owners into compromising their private keys or surrendering sensitive personal information.
According to technical breakdowns from BitMEX Research, the attackers are exploiting long-dormant addresses by injecting false transactions and misleading, deceptive messages directly into the blockchain. This is achieved through the use of OP_Return outputs, an optional field built into Bitcoin transactions that allows users to append a small, arbitrary amount of data to a ledger entry. While OP_Return has historically been used for various benign purposes, including proof-of-existence filings and decentralized application messaging, bad actors are increasingly misusing the feature to broadcast malicious links and propaganda directly to the ledger histories of historic, high-value crypto addresses.
In one prominent and well-documented case highlighted by researchers, the perpetrators trained their sights on the heavily scrutinized "1Feex" wallet. This infamous address holds approximately 80,000 Bitcoins, a massive digital fortune believed by blockchain sleuths and law enforcement agencies to have been tied to the historic hacks of the defunct Mt. Gox exchange. The attackers crafted a bespoke on-chain message linked to this address, directing anyone monitoring or owning the wallet to a sophisticated fraudulent website designed to impersonate Salomon Brothers, the legendary historical Wall Street investment banking firm that ceased independent operations decades ago.
Upon visiting the fraudulent portal, targeted individuals are greeted by a fabricated legal notice asserting that the associated dormant wallet is officially categorized as "lost or abandoned." The fake notice goes on to instruct supposed owners that they must step forward to prove their legitimate claim over the assets. To complete this supposed verification process, the site invites victims to either sign an on-chain message utilizing their private cryptographic keys—which would instantly grant the scammers full access to drain the funds—or submit detailed personal documentation through an online web contact form. To create a false sense of urgency and panic, the fraudulent notice warns that if no ownership claim or response is received by October 5, the wallet will be permanently deemed legally abandoned under bogus regulatory frameworks.
Fake Legal Claims and Exploited Reputations
Security analysis of the fraudulent website revealed glaring discrepancies, showing no credible or legitimate link whatsoever to the real Salomon Brothers institution or its historical corporate lineage. While the site attempts to manufacture an aura of corporate legitimacy by displaying a detailed roster of real individuals who genuinely worked at the investment bank during the 1980s, cybersecurity investigators have confirmed that none of these former professionals have any affiliation or connection with the new, spurious entity behind the online scam.
Security researchers have drawn parallels between this current campaign and previous controversial disputes involving the same historic Bitcoin addresses. Analysts noted that the operational approach bears a striking resemblance to earlier legal maneuvering and public campaigns associated with figures such as Calvin Ayre, who previously financed high-profile legal actions concerning the exact same Bitcoin address. However, investigators stress that the current website operates entirely independently as a pure social engineering trap rather than a legitimate judicial proceeding.
In an official public statement regarding the threat, BitMEX Research cautioned the broader cryptocurrency community about the deceptive nature of the portal, noting the stark contrast between the fabricated claims and corporate reality. "The links between this company and this website are fake," BitMEX Research stated. "There is a page with an ‘advisory board’ that contains real people who worked at Salomon Brothers in the 1980s, however, these people seem to have no link to this new spurious entity."
The cryptocurrency community has rallied quickly to analyze and dissect the mechanics of the attack. Industry experts and veteran hodlers have pointed out fundamental flaws in the scammers’ premise, noting that legitimate wallet owners seeking to prove ongoing activity over an address do not need to interact with third-party web portals or surrender sensitive cryptographic keys. Instead, standard blockchain hygiene dictates that moving even a microscopic fraction of Bitcoin from the address to a fresh self-custody wallet is more than sufficient to cryptographically demonstrate active control, completely bypassing the need for web-based verification forms or legal intermediaries.
Broader Social Engineering and Escalating Crypto Crime Trends
The emergence of these elaborate legal-themed wallet scams has amplified ongoing concerns across the digital asset ecosystem regarding the evolution of social engineering attacks. Rather than relying solely on traditional malware or brute-force technical exploits, modern threat actors are increasingly weaponizing psychological manipulation, regulatory intimidation, and fabricated legal frameworks to target high-net-worth individuals, early adopters, and elderly crypto investors who may be less familiar with evolving digital threats.
Security experts and blockchain analysts suspect that this campaign is merely one facet of a much larger, coordinated social engineering offensive designed to systematically harvest sensitive personal information and private keys under the guise of legal compliance. Because early Bitcoin holders often acquired their assets when valuations were negligible and may have lost touch with the technical intricacies of the ecosystem over the past decade, they represent a uniquely vulnerable demographic for bad actors seeking multi-million-dollar paydays.
In light of these findings, security firms like BitMEX have issued stern warnings urging all users, particularly those managing dormant or legacy holdings, to exercise extreme caution. Individuals have been strongly advised to completely ignore these on-chain messages, avoid interacting with unverified contact forms, and under no circumstances share private keys, seed phrases, or personal identification documents with web platforms claiming judicial authority over on-chain assets.
The timing of this campaign coincides with a broader, worrying escalation in illicit crypto activity globally. According to comprehensive industry data tracking cybercrime and blockchain exploits, the first half of the year witnessed a staggering surge in criminal capital extraction. Hackers, state-sponsored syndicates, and sophisticated phishing rings successfully stole over $2.1 billion across 75 separate major security incidents, representing a troubling 10% increase in total stolen funds compared to the corresponding period in the previous year. As the aggregate value of digital assets continues to appreciate and attract mainstream financial participation, the sophistication of social engineering schemes like the fake Salomon Brothers legal notice underscores the critical need for heightened operational security, skepticism toward unsolicited legal claims, and robust self-custody practices across the entire cryptocurrency landscape.
Asro 
Layla Zulfa 
Muslim