@misc{cryptoeprint:2017:417,
    author = {Massimo Bartoletti and Stefano Lande and Alessandro Sebastian Podda},
    title = {A Proof-of-Stake protocol for consensus on Bitcoin subchains},
    howpublished = {Cryptology ePrint Archive, Report 2017/417},
    year = {2017},
    url = {https://eprint.iacr.org/2017/417},
}