Censorship-resistant Collaboration with a Hybrid DTN/P2P Network

Acknowledgments My thanks go to Marc Fontaine for asking stupid questions that turned out to be quite clever, and for pointing out that correctness is essential both in the real and the physical world. I also thank Paul Baade for demanding impossible features which turned out to be the last piece in the puzzle. Julius Römmler has notified me of orthographical, typographical, and (inadvertently) semantical errors. And told me to use fewer big words. Thanks! I wish to thank Denis Lütke-Wiesmann for proofreading the thesis, and the footnotes. Sven Hager found lots of overly short, overly long, and overly wrong statements. Thanks! Thanks to Prof. Martin Mauve for coming up with the idea, shielding us from bureaucracy, asking for explanation and rationale at every step, and finding all the errors nobody else found.