This document discusses the eHealth platform in Belgium and its role in facilitating collaboration and secure electronic data exchange between healthcare providers. The platform provides 10 basic services including user authentication, encryption, coding of personal health data, and access to national registries. It also supports over 67 value-added services. The platform aims to optimize healthcare quality, safety, and administrative efficiency while protecting privacy. Key functions include developing standards, coordinating a data exchange network between hospitals and providers, and requiring informed patient consent and therapeutic relationships for data sharing.