5 June 2019 - Blockchain system allows companies to share data without revealing commercial secrets.
Ten large pharmaceutical companies, including Johnson & Johnson, AstraZeneca and GSK, are embarking on the first collaboration to train their drug-discovery, machine-learning algorithms on each other’s data.
Owkin, a Google Ventures-backed start-up based in New York and Paris, has developed a secure, blockchain-based system that allows an algorithm to trawl competitors’ data with full traceability — but crucially, without revealing commercial secrets to rivals.