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Four short links: 25 July 2011

  1. Anonymity in Bitcoin -- TL;DR: Bitcoin is not inherently anonymous. It may be possible to conduct transactions is such a way so as to obscure your identity, but, in many cases, users and their transactions can be identified. We have performed an analysis of anonymity in the Bitcoin system and published our results in a preprint on arXiv. (via Hacker News)
  2. 3D Printing + Algorithmic Generation -- clever designers use algorithms based on leaf vein generation to create patterns for lamps, which are then 3d-printed. (via Imran Ali)
  3. Manimal: Relational Optimization for Data-Intensive Programs (PDF) -- static code analysis to detect MapReduce program semantics and thereby enable wholly-automatic optimization of MapReduce programs. (via BigData)
  4. Screenfly -- preview your site in different devices' screen sizes and resolutions. (via Smashing Magazine)

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