@misc{cryptoeprint:2019:964,
    author = {Georg Fuchsbauer},
    title = {WI Is Not Enough: Zero-Knowledge Contingent (Service) Payments Revisited},
    howpublished = {Cryptology ePrint Archive, Report 2019/964},
    year = {2019},
    url = {https://eprint.iacr.org/2019/964},
}