Peer-reviewed journals:

• Nicholas Hopper, Eugene Y. Vasserman, and Eric Chan-Tin. "How much anonymity does network latency leak?" In ACM Transactions on Information and System Security (TISSEC), 13(2):1-28, February 2010. (© 2010 ACM)
• Eugene Y. Vasserman, Nicholas Hopper, and James Tyra. "SilentKnock: practical, provably undetectable authentication." In International Journal of Information Security 8(2): 121-135, April 2009.

Peer-reviewed conferences and workshops:

• Eugene Y. Vasserman, Nicholas Hopper, James Tyra, Rob Jansen, and Yongdae Kim. "Membership-concealing overlay networks." In Proceedings of the ACM Conference on Computer and Communications Security (ACM CCS), 2009.
• Nicholas Hopper, Eugene Y. Vasserman, and Eric Chan-Tin. "How much anonymity does latency leak?." In Proceedings of the ACM Conference on Computer and Communications Security (ACM CCS), 2007.
• Eugene Y. Vasserman, Nicholas Hopper, John Laxson, and James Tyra. "SILENTKNOCK: practical, provably undetectable authentication." In Proceedings of the European Symposium on Research in Computer Security (ESORICS), 2007.
• Ivan Osipkov, Eugene Y. Vasserman, Nicholas Hopper and Yongdae Kim. "Combating Double-Spending Using Cooperative P2P Systems." In Proceedings of the International Conference on Distributed Computing Systems (ICDCS), 2007.
• Nicholas Hopper and Eugene Y. Vasserman. "On the effectiveness of k-anonymity against traffic analysis and surveillance." In Proceedings of the Workshop on Privacy in the Electronic Society (WPES), 2006.