The First Workshop on Blockchain & eHealth: Towards Provable Privacy & Security in Collaborative Health Research Location and Format Conference Center 1, Tuesday November 7, 2017 (3-5 pm), Speaker Presentations and Panel Discussion Chairs • Reza Samavi, Department of Computing and Software, McMaster University samavir@mcmaster.ca • Thomas Doyle, Department of Electrical and Computer Engineering, eHealth Pro- gram Director, McMaster University doylet@mcmaster.ca • Thodoros Topaloglou, Chief Information Officer, Scarborough and Rouge Hospital, Toronto ttopaloglou@rougevalley.ca Rationale Healthcare systems around the world are embracing the concept of evidence-based medicine, a system where decisions about the care are made based on health data derived from pop- ulation samples, clinical processes, and personalized wearable devices. This information is potentially a promising source of new threads of knowledge for all healthcare stakehold- ers. The knowledge gained from data-intensive research directly impacts the advancement of eHealth, as better understanding of health and innovation leads to better delivery of healthcare. Despite the benefits of data-intensive research, according to an expert panel on Timely Access to Health and Social Data for Health Research [1], multiple challenges exist that hinder timely, secure and privacy protected access to data by researchers. Key recom- mendations included: (1) legal and ethical considerations to support a proper balance 1