QoS-Ledger: Smart Contracts and Metaheuristic for Secure Quality-of-Service and Cost-Efficient Scheduling of Medical-Data Processing[J] ELECTRONICS 2021(10) Khan, Abdullah Ayub Shaikh, Zaffar Ahmed Baitenova, Laura Mutaliyeva, Lyailya Moiseev, Nikita Mikhaylov, Alexey Laghari, Asif Ali Idris, Sahar Ahmed Alshazly, Hammam
