How blockchain analysis helped take down the largest child sexual abuse material site

As of October 2019, the Department of Justice announced the shutdown of Welcome to Video, the largest ever child pornography site by amount of material stored, along with the arrest of its owner and operator. More than 337 site users across 38 countries were arrested, and 23 minors were identified and rescued from their abusers as a result of this investigation.

Learn how investigators used Chainalysis Reactor to analyze the website’s cryptocurrency transactions that ultimately led to the arrests.