Yet another anonymous publication system (YÅPS) is an Internet-based
system that makes it possible to publish and retrieve documents
anonymously.  YÅPS is designed to resist attempts by powerful
adversaries to identify users and exercise censorship. The system can
be deployed using commodity computer and network resources provided by
untrusted individuals and organizations.

In this thesis I shall discuss and present the design of YÅPS. The
emphasis on practical issues related to deployment sets the thesis
apart from related work. The work on my thesis has resulted in a new
rerouting-network design for anonymous communication and a block-based
storage system, which can make it impossible for adversaries to link
content on storage servers to a specific document. Furthermore, I have
implemented a prototype to test parts of the design, which have not
been tested by others. The prototype worked successfully. In the
thesis I also provide a background on anonymous publication in
relation to democracy and free speech.