@misc{cryptoeprint:2014:796,
    author = {Marcin Andrychowicz and Stefan Dziembowski},
    title = {Distributed Cryptography Based on the Proofs of Work},
    howpublished = {Cryptology ePrint Archive, Report 2014/796},
    year = {2014},
    url = {https://eprint.iacr.org/2014/796},
}