@inproceedings{liu2021privacy,
  title={Privacy-Preserving Contact Tracing Protocol for Mobile Devices: A Zero-Knowledge Proof Approach},
  author={Liu, Joseph and Au, Man Ho and Yuen, Tsz Hon and Zuo, Cong and Wang, Jiawei and Sakzad, Amin and Luo, Xiapu and Li, Li and Choo, Kim-kwang Raymond},
  booktitle={International Conference on Information Security Practice and Experience (ISPEC 2021)},
  year={2021}
}