Application Management Practice of Investment Statistics Business Based on Blockchain TechnologyLei Ma, Jiachen Che, Xiao Qian, Hongfang Song, Geping Wen, Hao Jiang, Qinyue Cui and Fan WenE3S Web Conf., 235 (2021) 03084DOI: https://doi.org/10.1051/e3sconf/202123503084