@misc{cryptoeprint:2017:367,
    author = {Zhiqiang Liu and Shuyang Tang and Sherman S.M. Chow and Zhen Liu and Yu Long},
    title = {Fork-Free Hybrid Consensus with Flexible Proof-of-Activity},
    howpublished = {Cryptology ePrint Archive, Report 2017/367},
    year = {2017},
    url = {https://eprint.iacr.org/2017/367},
}