Dr. M. Oskar van Deventer is senior scientist on blockchain networking. His focus is on European collaborative projects and international standards. He is active contributor to international standards bodies (Hyperledger, ISO, MPEG, HbbTV, DVB, …). Oskar is a self-taught expert on cryptography, cryptocurrencies (bitcoin) and blockchain technologies. He is teaching a hands-on course on cryptocurrency and blockchain analysis to law enforcers worldwide. He is also responsible for the R&D part of the Techruption Blockchain program, a Dutch consortium in which partners develop blockchain use cases.