9 % else. Is it possible for her to precompute several blocks that would

     9 % else. Is it possible for her to precompute several blocks that would

    10 % validate a fraudulent transaction by her? Give a short explanation

    10 % validate a fraudulent transaction by her? Give a short explanation

    11 % for your reasoning.  

    11 % for your reasoning.  

    12 

    12 

    13 \section*{Homework 7}

    13 \section*{Homework 7}

    14 

    16 

    15 \begin{enumerate}

    17 \begin{enumerate}

    16 \item How can the hardness of the proof-of-work puzzles in

    18 \item How can the hardness of the proof-of-work puzzles in

    17       Bitcoins be adjusted? What is parameter that determines

    19       Bitcoins be adjusted? What is parameter that determines

    18       how the hardness is adjusted?

    20       how the hardness is adjusted?

    28       them mine for Bitcoins?

    30       them mine for Bitcoins?

    29 

    31 

    30 \item Is it possible that Bitcoins can get lost (be

    32 \item Is it possible that Bitcoins can get lost (be

    31       irretrievable)?

    33       irretrievable)?

    32 

    34 

    33 \end{enumerate}

    36 \end{enumerate}

    34 \end{document}

    37 \end{document}

    35 

    38 

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