Blockchain security firm CertiK has documented a sharp rise in physical attacks targeting cryptocurrency holders, with incidents increasing 75% in 2025 compared to the previous year. These so-called "wrench attacks"—where individuals are physically coerced into transferring digital assets—resulted in approximately $41 million in losses, highlighting a growing security concern that extends beyond digital vulnerabilities.
Physical Security Emerges as Critical Industry Concern
CertiK's findings identify physical violence against wallet holders as a "core threat vector in the crypto ecosystem," marking a troubling evolution in security risks facing blockchain professionals and investors. Unlike traditional cybersecurity threats that can be mitigated through technical safeguards, these attacks exploit the irreversible nature of cryptocurrency transactions and target individuals directly.
The increase in physical attacks reflects the growing mainstream adoption of digital assets and the perception that crypto holders possess significant wealth. For professionals in the blockchain industry—particularly those in high-visibility roles or known to hold substantial digital assets—this trend raises important personal security considerations that weren't traditionally part of the job risk assessment.
Implications for Blockchain Professionals and Employers
This security trend carries several implications for the crypto workforce:
- Operational security training is becoming essential for employees at crypto firms, exchanges, and blockchain companies
- Remote work policies may need reassessment, particularly for roles involving access to significant digital assets or sensitive security information
- Personal security protocols should be incorporated into employee onboarding and ongoing professional development
- Privacy considerations around public disclosure of roles and holdings require greater attention
For employers in the blockchain sector, these developments suggest a need to expand security frameworks beyond cybersecurity measures. Companies may need to provide resources and training to help employees maintain operational security in their personal lives, particularly for executives, developers with privileged access, and other high-risk positions.
The data underscores that working in blockchain comes with unique security considerations that professionals should factor into career decisions and daily practices. As the industry matures, personal security awareness appears set to become a standard competency for blockchain professionals.


