20 % re-identification attacks |
20 % re-identification attacks |
21 % https://cseweb.ucsd.edu/~smeiklejohn/files/imc13.pdf |
21 % https://cseweb.ucsd.edu/~smeiklejohn/files/imc13.pdf |
22 |
22 |
23 % bit-coin papers |
23 % bit-coin papers |
24 % https://crypto.stanford.edu/cs251/syllabus.html |
24 % https://crypto.stanford.edu/cs251/syllabus.html |
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25 |
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26 % bit coin talk --- at 20:00 mins |
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27 %https://www.usenix.org/conference/lisa16/conference-program/presentation/perlman |
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28 |
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29 % In fact, far from freeing people from the oppression of the state, |
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30 % blockchains perversely promise the perfect tool for a fully |
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31 % auditable, tax compliant, cashless society. Similarly, the belief it |
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32 % is an anonymous digital cash has quickly vanished and we are now |
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33 % seeing a large number of analytics companies, set-up specifically to |
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34 % work with law enforcement agencies, to police this new parallel |
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35 % financial system. |
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36 % |
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37 % But today blockchain is riddled with |
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38 % contradictions and misunderstandings. Most of its problems are very |
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39 % fixable, if you want to fix them |
25 |
40 |
26 \begin{document} |
41 \begin{document} |
27 \fnote{\copyright{} Christian Urban, 2014, 2015} |
42 \fnote{\copyright{} Christian Urban, 2014, 2015} |
28 |
43 |
29 \section*{Handout 7 (Bitcoins)} |
44 \section*{Handout 7 (Bitcoins)} |