@misc{cryptoeprint:2018:559,
    author = {Marshall Ball and Alon Rosen and Manuel Sabin and Prashant Nalini Vasudevan},
    title = {Proofs of Work from Worst-Case Assumptions},
    howpublished = {Cryptology ePrint Archive, Report 2018/559},
    year = {2018},
    url = {https://eprint.iacr.org/2018/559},
}