@misc{cryptoeprint:2016:451,
    author = {Wacław Banasik and Stefan Dziembowski and Daniel Malinowski},
    title = {Efficient Zero-Knowledge Contingent Payments in Cryptocurrencies Without Scripts},
    howpublished = {Cryptology ePrint Archive, Report 2016/451},
    year = {2016},
    url = {https://eprint.iacr.org/2016/451},
}