@misc{cryptoeprint:2018:398,
    author = {Massimo Bartoletti and Tiziana Cimoli and Roberto Zunino},
    title = {Fun with Bitcoin smart contracts},
    howpublished = {Cryptology ePrint Archive, Report 2018/398},
    year = {2018},
    url = {https://eprint.iacr.org/2018/398},
}