@misc{cryptoeprint:2017:394,
    author = {Cristina Pérez-Solà and Sergi Delgado-Segura and Guillermo Navarro-Arribas and Jordi Herrera-Joancomartı́},
    title = {Double-spending Prevention for Bitcoin zero-confirmation transactions},
    howpublished = {Cryptology ePrint Archive, Report 2017/394},
    year = {2017},
    url = {https://eprint.iacr.org/2017/394},
}