TY - Computer Science A1 - LV Jian-fu,LAI Ying-xu,LIU Jing T1 - Log Security Storage and Retrieval Based on Combination ofOn-chain and Off-chain Y1 - 2020-03-15 JF - Computer Science JO - Computer Science SP - 298 EP - 303 VL - 47 IS - 3 UR - https://www.jsjkx.com N1 - 10.11896/jsjkx.190200298 ER -