The Alarming Rise of Crypto-Related Violence: How France Became a Hotbed for Wrench Attacks

A surge in crypto-related kidnappings has put France under the international spotlight, prompting government officials to take action against the escalating problem. This year alone, the country has seen at least 41 crypto-related kidnappings and home invasions, averaging one every two to three days. The issue has become so severe that a police motorcade was required to escort VIP guests to a dinner at the Palace of Versailles during an annual international blockchain and crypto conference. Security was also reinforced at the Carrousel du Louver, where the conference took place. Minister Delegate to the Interior Ministry, Jean-Didier Berger, announced that a new set of measures is being prepared to tackle the growing issue, including a prevention platform that has already drawn thousands of registrations. However, authorities acknowledge that further steps are needed as incidents continue to rise. The term 'wrench attack' refers to the use of physical force to extract access to digital assets, and for some attackers, it is easier to coerce a person than to break encryption. According to crypto researcher Jameson Lopp, every successful wrench attack sends a message that crypto owners are vulnerable targets. Unlike traditional bank transfers, crypto transactions cannot be reversed, making it difficult to recover funds once a victim authorizes a transfer under duress. Researchers say that attackers are now building profiles of potential victims by tracking social media activity, public appearances, and leaked datasets. They look for points of weakness, such as tying real-world identity, location, and routine too tightly to visible crypto wealth. The problem is exacerbated when attackers receive insider information from government officials. The pool of potential victims has widened, with mid-level holders increasingly being targeted. Cases now include families, with children targeted alongside crypto-holding parents, making the attacks harder to categorize by severity. In one notable case, Ledger co-founder David Balland was kidnapped in France along with his partner, and one of his fingers was severed and sent to associates as part of a ransom demand. Other cases have involved prolonged captivity and torture. Lopp notes that both opportunistic and organized groups are involved, but there are signs of increasing coordination. After funds are obtained, attackers tend to move quickly, converting crypto assets into stablecoins and routing them across multiple chains, making recovery more difficult. France's role in this trend may reflect a mix of factors, including cases involving leaked personal data and cross-border criminal networks. Rising asset prices have increased the potential payoff from a single attack, while improvements in digital security have reduced the effectiveness of purely technical exploits. The increase in attacks has raised questions about the risks of self-custody, a core principle of cryptocurrency. Some security experts recommend measures such as multi-signature setups, withdrawal delays, and spending limits to reduce risk by limiting how much can be accessed under duress.