A coordinated international operation organized by blockchain intelligence firm Chainalysis has identified more than 7,700 suspect cryptocurrency accounts tied to networks distributing child sexual abuse material. Known as Operation Lighthouse, the multi-day initiative examined tens of thousands of blockchain addresses and generated over 14,000 investigative leads for authorities worldwide.

Scope of the Investigation

Operation Lighthouse reviewed 29,120 cryptocurrency addresses and digital identifiers connected to more than 100 platforms, forums and distribution hubs operating on both the surface web and the dark web. The effort produced 14,300 investigative leads shared across 11 cryptocurrency exchanges and payment services. Suspects were located in 125 countries.

Among those identified were 16 registered sex offenders. The broader pool of suspects also included military personnel, law enforcement officers, medical professionals and educators, some of whom had direct access to children, according to Tom McLouth, senior intelligence analyst at Chainalysis.

The operation followed months of data enrichment work and was conducted as an intensive sprint at the National Cyber-Forensics and Training Alliance in New York. Participants used on-chain intelligence alongside information held by partner organizations to develop leads intended to support further legal processes, account-level actions and case development.

Partners and Collaboration

Law enforcement agencies taking part included Europol, the Australian Federal Police, the Royal Canadian Mounted Police and the United Kingdom’s National Crime Agency. Private-sector participants comprised major cryptocurrency platforms Binance, Coinbase and Block, along with the nonprofit Internet Watch Foundation.

Danny van Althuis, Europol team leader, stated that perpetrators exploit financial services, payment systems, social media and internet platforms to commit or facilitate these crimes. He stressed that joint action across these sectors is essential to prevent and combat online child sexual abuse and to identify those who commit, enable or facilitate it.

Gavin Sather, senior program manager for anti-child sexual exploitation at Binance, noted that the inherent transparency of blockchain makes it difficult for criminals to hide for long while exploiting victims. He also said the sprint shows how on-chain intelligence enables quick collective response actions.

Context and Expected Outcomes

Chainalysis has indicated that cryptocurrency accounts for only a limited share of overall activity linked to child sexual abuse material, though its use has increased in recent years. Public blockchain records can create financial trails that investigators follow when payments move through identifiable services such as centralized exchanges.

The firm said results from Operation Lighthouse are expected to support arrests, prosecutions and account-level disruption on the platforms involved. The operation builds on earlier cases in which blockchain analysis contributed to enforcement actions against similar networks.

Industry participants have expanded related efforts in parallel. Binance separately partnered with a nonprofit focused on human trafficking and child exploitation earlier in the year to strengthen detection and investigation capabilities. The coordinated approach in Operation Lighthouse illustrates how shared intelligence between analytics firms, exchanges and authorities can convert transaction data into actionable information for cross-border investigations.