Requirement Analyses and Evaluations of Blockchain Platforms per Possible Use Cases. - Kenji Saito; Akimitsu Shiseki; Mitsuyasu Takada; Hiroki Yamamoto; Masaaki Saitoh; Hiroaki Ohkawa; Hirofumi Andou; Naotake Miyamoto; Kazuaki Yamakawa; Kiyoshi Kurakawa; Tomohiro Yabushita; Yuji Yamada; et al. (CoRR, 2021)