中文
Logistics Information Privacy Protection Based on Blockchain and Hierarchical Encryption
ZHAO Ling-qi, SONG Yu-bo, ZHANG Ke-luo, HU Ai-qun, LUO Jian
Journal of Applied Sciences . 2019, (2): 224 -234 .  DOI: 10.3969/j.issn.0255-8297.2019.02.007