What they do: AI governance software using blockchain. Specifically - tamper-proof audit logs for AI training data, version control for AI models, and multi-party access controls. Key facts: Founded 2018, based in Zug, Switzerland CEO: Mrinal Manohar Raised $26.3M in funding Partners with IBM (integrates with watsonx.governance) Initially built on Casper blockchain, switched to Hedera Network in October 2024 First customer: Greyscale AI (food safety/contamination detection) Why they exist: EU AI Act and other regulations require companies to prove their AI systems are compliant. Prove AI automates the compliance logging instead of manual spreadsheets. Business model: Enterprise B2B software targeting companies that need AI governance for regulatory compliance.