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}

@Article{blum1981,
  author = 	 {Manuel Blum},
  title = 	 {Coin Flipping by Telephone},
  journal = 	 {CRYPTO},
  year = 	 {1981},
  pages = 	 {11-15},
}

@inproceedings{chaum1990untraceable,
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  pages={319--327},
  year={1990},
  organization={Springer-Verlag New York, Inc.}
}

@inproceedings{chaum1983blind,
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  booktitle={Advances in cryptology},
  pages={199--203},
  year={1983},
  organization={Springer}
}

@inproceedings{rivest2004peppercoin,
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  pages={2--8},
  year={2004},
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@inproceedings{miers2013zerocoin,
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  organization={IEEE}
}

@inproceedings{selby2004analyzing,
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  organization={Springer}
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@misc{brands1993efficient,
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  author={Brands, Stefan A},
  year={1993},
  publisher={Centrum voor Wiskunde en Informatica}
}

@article{dent2008extensions,
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  year={2008}
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@article{dent2008preliminary,
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}



@inproceedings{tor-design,
  title = {Tor: The Second-Generation Onion Router},
  author = {Roger Dingledine and Nick Mathewson and Paul Syverson},
  booktitle = {Proceedings of the 13th USENIX Security Symposium},
  year = {2004},
  month = {August},
  www_important = {1},
  www_tags = {selected},
  www_html_url = {https://www.torproject.org/svn/trunk/doc/design-paper/tor-design.html},
  www_pdf_url = {https://www.torproject.org/svn/trunk/doc/design-paper/tor-design.pdf},
  www_section = {Anonymous communication},
}