The second Privacy Enhancing Technologies workshop (PET2002), held April 14-15, 2002 in San Francisco, California, continued the enthusiasm and quality of the ?rst workshop in July 2000 (then called "Designing Privacy Enhancing Technologies: Design Issues in Anonymity and Unobservability," LNCS 2009). The workshop focused on the design and realization of anonymity and an- censorship services for the Internet and other communication networks. For c- venienceitwasheldattheCathedralHillHoteljustpriortotheTwelfthConf- ence on Computers, Freedom, and Privacy (CFP2002), but it was not formally...