A British businessman and his pregnant wife were subjected to a violent home invasion in which masked attackers beat the man with hammers and threatened to kill his unborn child unless he transferred hundreds of thousands of pounds worth of cryptocurrency.
The couple, who have remained anonymous, described the incident to the BBC as ‘horrific’.
The attackers forced their way into the home, assaulted the businessman, and threatened his heavily pregnant wife before making him transfer his crypto savings. They also took several luxury Rolex watches before escaping in a getaway car.
The case is notable, not only because of the amount stolen, but because it provides a rare, detailed account of what a so-called crypto wrench attack looks like from the victim’s perspective.
Unlike a conventional crypto hack, there was no need to compromise a wallet, exploit a smart contract, or steal a private key remotely. The attackers targeted the person who controlled the assets and used physical violence to make him authorize the transfer.
The BBC reported that one of the attackers was directing the others over a video call during the robbery. The businessman recalled hearing the man tell his accomplices: ‘You can have 10 grand each but I am taking the rest.’
That detail points to an increasingly organized form of crypto crime in which attackers can combine physical surveillance, personal information, and violence with the ability to move digital assets almost instantly.
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The Rise of the Wrench Attack
Wrench attacks refer to crimes in which crypto holders are physically threatened, kidnapped, assaulted, or otherwise coerced into surrendering their assets.
The term highlights a fundamental vulnerability of self-custodied cryptocurrency where the strongest cryptographic protections cannot prevent someone from being forced to unlock an account or approve a transaction.
An August 2026 report from TRM Labs and London’s Metropolitan Police identified 17 reported wrench attacks in London between March and December 2024.
Kidnapping accounted for 59% of those cases,
aggravated burglary 35%, and
robbery 6%,
with an average crypto asset loss of about $880, 000 per incident. The report said such attacks are almost certainly underreported.
CRYPTO CRIME | Almost 60% of Wrench Attacks Are Kidnappings, Says a 2026 Report by TRM Labs and London Police Service
The threat has since expanded beyond a small number of isolated cases. CertiK recorded 52 verified wrench attacks globally in the first half of 2026, involving about $124.1 million in exposed crypto assets. Home invasions accounted for 20 cases, making them the largest category in its dataset.
2025 RECAP | Physical Wrench Attacks on Crypto Holders Surge 75% in 2025 Causing Millions in Losses, Says CertiK Report
Security has Moved from the Wallet to the Person
The UK case exposes an uncomfortable consequence of crypto’s defining feature – control over assets can ultimately depend on control over the individual holding the keys.
For most cryptocurrency theft, the attacker is somewhere else in the world, exploiting software, social engineering, or compromised credentials. In a wrench attack, the distance disappears.
The victim is confronted directly.
That creates a different security problem for crypto holders particularly those publicly associated with large balances or who can be identified through blockchain activity, social media, or other sources of personal information.
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CertiK has described a shift toward more targeted attacks with criminals using information about potential victims and, increasingly, their relatives to apply pressure.
The British couple’s account therefore offers something that statistics alone cannot which is a detailed picture of what happens when cryptocurrency crime leaves the blockchain and enters the home.
The money may move through a digital transaction in seconds.
For the person forced to make that transaction, the consequences can last much longer.
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