OnChain Industries (OCI) is the industry leading Open-Source Intelligence (OSINT) platform for Web3 investigations, enabling expert investigators to conduct investigations and risk assessments, by searching usernames, email addresses and cryptocurrency wallet addresses across multiple blockchain networks. The OnChain Industries platform combines sophisticated on-chain analysis with open-source intelligence (OSINT) capabilities to provide actionable insights from cryptocurrency exchanges, NFT marketplaces, blockchain explorers, Web3 platforms, and decentralized gaming environments. The tool uses automated search features eliminate manual investigation time, allowing investigators to rapidly discover and identify connections between cryptocurrency wallets, usernames, email addresses and profiles. Used by cryptocurrency forensics teams, financial crime investigators, law enforcement agencies, and compliance professionals worldwide, their platform features real-time results and a risk assessment system that identifies potential cybercrime indicators, dark market operations, fraud patterns, and security incidents. OnChain Industries provide a Web3 OSINT API which can be accessed for free, and also provide free access to Law Enforcement, Journalists, Government and Nonprofits.