Biohal is a decentralized preventive medicine platform that extensively uses liquid biopsy authentication protocol to detect Cancer and Alzheimer's at early stages. Biohal's mission is to create a universally available preventive medicine platform that runs on blockchain with liquid biopsy protocol. By joining hands with PROTEO, the first liquid biopsy research partner, Biohal can detect cancer and alzheimer's at early stages. With minimally invasive markers, Biohal's test accuracy remains at 99%.