Single-state semiquantum private comparison based on Bell states Mao-Jie Geng, Ying Chen, Tian-Jie Xu and Tian-Yu Ye EPJ Quantum Technol., 9 1 (2022) 36 Published online: 14 December 2022 DOI: 10.1140/epjqt/s40507-022-00156-9