%0 Journal Article %A Zhang, Jia-Shun %A Xu, Gang %A Chen, Xiu-Bo %A Ahmad, Haseeb %A Liu, Xin %A Liu, Wen %D 2021 %J Computers, Materials \& Continua %@ 1546-2226 %V 69 %N 3 %P 2903--2916 %T Towards Privacy-Preserving Cloud Storage: A Blockchain Approach %M doi:10.32604/cmc.2021.017227 %U http://www.techscience.com/cmc/v69n3/44126