@misc{cryptoeprint:2017:686,
    author = {Ren Zhang and Bart Preneel},
    title = {On the Necessity of a Prescribed Block Validity Consensus: Analyzing Bitcoin Unlimited Mining Protocol},
    howpublished = {Cryptology ePrint Archive, Report 2017/686},
    year = {2017},
    url = {https://eprint.iacr.org/2017/686},
}