@inproceedings{koutsoupias2019blockchain,
  title={Blockchain Mining Games with Pay Forward},
  author={Koutsoupias, Elias and Lazos, Philip and Ogunlana, Foluso and Serafino, Paolo},
  booktitle={The World Wide Web Conference},
  pages={917--927},
  year={2019},
  organization={ACM}
}