Cryptology ePrint Archive: BibTeX Citation of Report 2016/1048

    author       = {Juan A. Garay and
		    Aggelos Kiayias and
		    Nikos Leonardos},
    title        = {The Bitcoin Backbone Protocol with Chains of Variable Difficulty},
    howpublished = {Cryptology ePrint Archive, Report 2016/1048},
    year         = {2016},
    note         = {\url{}},

You will need the url.sty package (comes with most LaTeX installations) for the last line. Otherwise, remove the \url command.

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