The IEEE International Conference on Blockchain and Cryptocurrency in 2020 (ICBC 2020) will be held in the cosmopolitan metropolis and blockchain international hub of Toronto, Canada in May 3-6, 2020. ICBC 2020 is the second installment of IEEE Communications Society (ComSoc) sponsored conference on Blockchain and Cryptocurrency. It will feature keynotes, tutorials, peer reviewed technical paper presentations, posters, demos, a hackathon, and exhibitions from world-leading service providers, solution vendors, research institutes, open source projects, and academia. A select number of papers based on the peer review process will be invited to submit an extended version for publication in a Special Issue of the IEEE Transactions on Network and Service Management. ICBC 2020 is the primary forum for the technical exchange of the latest research and innovation, regulation, policies, standards, and applications in the exciting and emerging area of blockchain and cryptocurrency.