@misc{cryptoeprint:2017:644,
    author = {Alexander Chepurnoy and Dmitry Meshkov},
    title = {On Space-Scarce Economy In Blockchain Systems},
    howpublished = {Cryptology ePrint Archive, Report 2017/644},
    year = {2017},
    url = {https://eprint.iacr.org/2017/644},
}