@inproceedings{Jakobsson95,
  author    = {Markus Jakobsson},
  title     = {Ripping Coins for a Fair Exchange},
  pages     = {220--230},
  booktitle = {EuroCrypt '95},
  note      = {LNCS 921},
  publisher = {Springer-Verlag},
  year      = 1995
}