Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Lu Zhou and Ning Lu and Wenbo Shi and Jiaqi Wang and Qingfeng Cheng,A secure spectrum auction scheme without the trusted party based on the smart contract,Digital Communications and Networks,2352-8648,Elsevier BV,2021-05-01,7,,223-234,https://cir.nii.ac.jp/crid/1873679867530657920,https://doi.org/10.1016/j.dcan.2020.06.004