A cryptocurrency trader based in the United Kingdom reported losing nearly $800,000 in digital assets after armed assailants broke into his residence and compelled him to send the funds, bringing attention to a security hazard that neither self-custody protocols nor advanced encryption are able to stop.
The anonymous trader, known by the handle “realist” on the platform X, stated that criminals held him at knifepoint, smashed his mobile phone, and compelled him to authorize transfers totaling roughly $40,000 from a hot wallet along with $720,000 from his Ledger hardware device.
To support his claim, the victim published a Solana wallet address on the Solscan blockchain explorer, although local law enforcement and other official agencies have not yet verified the occurrence.
He wrote on social media advising anyone residing in the United Kingdom and holding crypto to leave immediately.
This event mirrors another violent U.K. robbery from last December, during which masked perpetrators assaulted a digital asset investor using hammers and threatened to murder his pregnant spouse unless he handed over hundreds of thousands of pounds worth of cryptocurrency.
Incidents of this nature, frequently referred to as “wrench attacks,” rely on physical force or intimidation to force digital asset owners into giving up their funds.
According to estimates from blockchain analytics enterprise Chainalysis, bad actors pilfered upwards of $30 million via physical assault during the initial six months of 2026, with residential break-ins making up 37% of all documented cases, marking a rise from 14% during the previous year.
France has developed into a primary center for wrench attacks, with Chainalysis recording a minimum of 30 separate incidents throughout the first half of the year.
Data from blockchain security provider Certik points to 52 confirmed assaults worldwide over that timeframe, with 33 of those taking place inside France.
These statistics indicate that physical intimidation is turning into a major worry alongside strictly digital risks like computer hacks, phishing scams, and vulnerabilities in smart contracts.
The consequences for market participants reach further than safeguarding private keys, requiring them to maintain portfolio privacy, minimize public sharing regarding their trading behavior, and keep accessible funds distinct from long-term capital holdings. Nevertheless, individual technological measures cannot completely remove the danger of bodily harm.
Originally published at https://www.coindesk.com/policy/2026/10/13/why-self-custody-and-hardware-wallets-cannot-prevent-physical-crypto-extortion.