Crypto25 August, 20262 min read
Chainalysis Operation Lighthouse Flags 7,700 CSAM Accounts Across 125 Countries
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Operation Lighthouse flagged over 7,700 suspect accounts linked to CSAM networks. The operation analyzed about 29,000 cryptocurrency addresses and digital identifiers.
7 outlets told this the same way.
Operation Lighthouse flags suspects
Chainalysis-led Operation Lighthouse identified more than 7,700 suspect accounts linked to child sexual abuse material (CSAM) after investigating 29,120 crypto addresses and digital identifiers connected to over 100 CSAM platforms, forums and distribution networks across the surface and dark web. The operation generated 14,300 investigative leads across 11 crypto exchanges and payment services and flagged suspects across 125 countries, with 16 of the accounts linked to registered sex offenders.
Tom McLouth, senior intelligence analyst at Chainalysis, said, "Behind every lead is a real child at risk," as the multi-day sprint was hosted at the National Cyber-Forensics and Training Alliance in New York. Chainalysis said the results were expected to lead to arrests, prosecutions and account-level disruption, with participants using onchain intelligence to develop leads for follow-on legal processes and case development.
Partners and quoted cooperation
Operation Lighthouse brought together law enforcement agencies, private-sector partners and specialized nonprofits, including Europol, the UK National Crime Agency, Binance, Coinbase, Block and the Internet Watch Foundation, after months of data enrichment. Europol said joint action was essential because perpetrators exploit financial services, payment systems and internet platforms, a rationale Chainalysis used to frame the operation as a coordinated effort rather than a single-agency probe.
Binance Senior Program Manager for Anti-Child Sexual Exploitation Gavin Sather said, "The sprint also highlights how on-chain intelligence is a powerful tool that enables quick response actions collectively," describing how blockchain transparency can make it difficult for offenders to keep financial activity hidden. Coinbase said Operation Lighthouse demonstrated how blockchain transparency can help companies and investigators convert transaction data into information that can be acted upon, while Chainalysis said the leads were shared across 11 exchanges and payment services for further investigation and possible legal action.
What comes next for enforcement
Chainalysis said Operation Lighthouse was structured around specific investigative targets and used on-chain intelligence plus information held by partner organizations to develop leads intended for later legal proceedings and case development. The company said the operation’s outcomes could include arrests, prosecutions and account-level disruption, and it described the investigative pool as spanning 125 countries while focusing on more than 100 CSAM platforms, forums and distribution networks.
The reporting also pointed to a prior enforcement example in which the US Justice Department announced the takedown of Welcome to Video, described at the time as the largest darknet child sexual exploitation market by volume of content, after authorities traced Bitcoin payments to locate the site’s server in South Korea and identify its administrator. In that 2019 case, the investigation led to 337 users being arrested and charged, the rescue of at least 23 victims and the seizure of about eight terabytes of material, with Chainalysis saying its software was used to analyze the transactions and map the site’s users and contributors.