The use of blockchain technology seems particularly relevant to meet cybersecurity needs in the digital health sector such as : secure exchange and sharing of health data, early detection of vulnerabilities in information systems and medical connected devices, protecting the integrity of medical research. Blockchain will also enable dynamic risk assessment specific to the health sector and cyber insurance focus analysis, and provides an infrastructure for virtual reality, augmented reality and the metaverse in health where new applications, for patients, health professionals and the world of research will emerge.