From Mainstream Success to Physical Threat: How Bitcoin's Surge Created a New Criminal Class

While the cryptocurrency sector has flourished under newfound U.S. government legitimacy, this “golden age” has been shadowed by a brutal emerging trend: the surge of “wrench attacks.”

Mainstreaming the Target

The start of 2025 proved favorable for the cryptocurrency industry as President Donald Trump pledged to dismantle the previous administration’s restrictive stance toward digital assets. This shift in policy sparked a sustained market rally, culminating in bitcoin ( BTC) reaching a record high of more than $126,000 on Oct. 6.

While the cryptocurrency sector has flourished under newfound federal legitimacy, this institutional “golden age” has been shadowed by a brutal emerging trend: the surge of “wrench attacks.” This term, a reference to the low-tech but high-consequence practice of using physical force to extract digital keys, represents a visceral shift in the crypto threat landscape.

The mainstreaming of bitcoin—driven by the explosion of spot exchange-traded funds (ETFs) and massive corporate balance sheet acquisitions—has effectively de-risked the asset for the public, but it has simultaneously painted a target on the backs of individual holders. As bitcoin transitioned from a niche digital experiment to a universally recognized store of value, the liquidity gates swung wide. Criminals no longer need to navigate complex, trackable cyber-heists; the proliferation of regulated exchanges and “off-ramps” means that stolen bitcoin is now easier to launder and liquidate than ever before.

This has birthed a new breed of predatory criminal. Rather than hacking into immutable code, attackers are increasingly “hacking the human.” By leveraging open-source intelligence—monitoring social media “flexes,” tracking luxury purchases, and cross-referencing public blockchain data—syndicates are identifying high-net-worth targets with surgical precision.

A Theater of Violence in France

A disproportionate and chilling concentration of these attacks occurred in France, which became a primary theater for the kidnapping and systematic torture of individuals identified as “crypto-affluent.” In one audacious attack, four masked assailants abducted the father of a suspected crypto millionaire in broad daylight.The captors held the man’s life in the balance, demanding a staggering $8 million ransom in digital assets, a standoff that only ended following a high-stakes intervention by French tactical units.

This followed an even more high-profile assault months earlier, when Ledger co-founder David Balland and his wife were abducted in a targeted home invasion. In both the Balland case and the $8 million extortion attempt, the perpetrators utilized a gruesome signature tactic: the dismemberment of the victims’ fingers. These incidents fundamentally shattered the sense of security among European blockchain pioneers.

In response to the surge, French authorities implemented protective measures and specialized training for law enforcement. Although these efforts led to a temporary lull in domestic cases, the trend went global.

Read more: France to Boost Security for Crypto Entrepreneurs Amid Kidnappings

The criminal modus operandi remained consistent: extract funds through torture and disappear. The pattern has fueled speculation regarding the involvement of global criminal syndicates. However, an attack on Ugandan crypto entrepreneur Ivaibi Festo demonstrated that some incidents are perpetrated or directed by trusted associates and rogue security agents.

A Lethal Turn in Late 2025

Toward the end of 2025, the nature of these attacks turned increasingly lethal. In one case, a prominent Russian crypto blogger and his wife were lured to the United Arab Emirates under the guise of a business partnership. Their bodies were discovered in a desert weeks after they were reported missing. In another incident, the son of a Ukrainian politician was murdered for his digital assets; the suspects in both cases have since been apprehended.

The rise in attacks and reported fatalities has forced prominent crypto figures and large-scale holders to reevaluate their security and lifestyles. Many are now scaling back public appearances and skipping major industry events, a shift that is beginning to impact the sector’s networking and growth.

Given the violent trends observed throughout 2025, security experts recommend the following shift in operational and personal habits for crypto founders and large-scale holders:

Practice “Digital Minimalism:” To avoid becoming a target, experts urge wealthy individuals to scrub public records and social media of any mentions of specific crypto holdings, luxury purchases, or participation in “ whale” transactions. They say criminals often use social engineering to build a profile of a victim’s net worth before a physical strike.

Implement Multi-Signature (Multi-sig) Custody: Move significant assets into multi-sig wallets where the keys are geographically distributed. Publicly stating that “no single person can authorize a transfer” acts as a powerful deterrent against kidnapping.

Enforce Travel OpSec: Avoid announcing attendance at major conferences until after the event. Use private transportation and vetted security details when traveling to regions identified as high-risk, such as parts of Western Europe and emerging markets.

Duress Passwords & Canaries: Utilize hardware wallets that support “duress PINs,” which open a secondary account with a small, sacrificial amount of crypto, keeping the main holdings hidden during an attack.

Vetting Inner Circles: As seen in the Ugandan and UAE cases, “trusted” associates are often the leak. Implement strict “need-to-know” protocols for personal security and financial details, even within business partnerships.

FAQ 💡

• What triggered Bitcoin’s 2025 surge? U.S. policy shifts under President Trump fueled a rally to $126K.
• What are “wrench attacks?” They are violent assaults to steal crypto keys from holders.
• Where have attacks been most severe? France, Western Europe, and emerging markets saw concentrated kidnappings and extortion.
• How can high‑net‑worth holders protect themselves? Experts urge digital minimalism, multi‑sig custody, and strict travel/security protocols.