Head of Cybersecurity & Blockchain at Tecnalia, member of the board of directors of Aurea Pay&Pass Solution and leader of the first industrial blockchain laboratory in Europe. Oscar has years of experience in Project management, publications at several international congresses, member of Organization Committee of scientific congresses, co-author of several books including "Blockchain: la revolución industrial de internet" & " Self-Sovereign Identity: Decentralized Digital Indentity and Verifiable Credentials", and regular contributor to the general media (TV, radio, press). Oscar regularly contributes to opinion, certification and advisory groups (UNE/ISO), member of the two main global blockchain alliances (Hyperledger & EEA), coordinator of the industrial node of the Spanish multi-sectorial Blockchain Network (Alastria), as well as of the main international cybersecurity forums such as the European Cyber Security Organization (ECSO) or the Industrial Cybersecurity Centre (CCI), among others.