@misc{cryptoeprint:2020:311,
    author = {Tianjun Ma and Haixia Xu and Peili Li},
    title = {A Blockchain Traceable Scheme with Oversight Function},
    howpublished = {Cryptology ePrint Archive, Report 2020/311},
    year = {2020},
    url = {https://eprint.iacr.org/2020/311},
}