A Compute and Wait in PoW (CW-PoW) Consensus Algorithm for Preserving Energy Consumption[J] APPLIED SCIENCES-BASEL 2021(11) Kara, Mostefa Laouid, Abdelkader AlShaikh, Muath Hammoudeh, Mohammad Bounceur, Ahcene Euler, Reinhardt Amamra, Abdelfattah Laouid, Brahim