TY - Chinese Journal of Network and Information Security A1 - Zhensheng GAO, Lifeng CAO, Xuehui DU T1 - Research progress of access control based on blockchain Y1 - 2021-12-15 JF - Chinese Journal of Netword and Information Security JO - Chinese Journal of Network and Information Security SP - 68 EP - 87 VL - 7 IS - 6 UR - https://www.infocomm-journal.com/cjnis N1 - 10.11959/j.issn.2096-109x.2021044 ER -