Privacy-preserving multi-party data joint analysis scheme based on multiset operations in smart contracts. - Xin Liu; Huize Gao; Dan Luo; Lanying Liang; Lu Peng; Yuchen Zhang; Shijie Jia; Gang Xu; Xiubo Chen; Baohua Zhang 004; Yu Gu 010 (J. King Saud Univ. Comput. Inf. Sci., 2025)