Panoramix coordinator Aggelos Kiayias discusses the science of the blockchain and privacy aspects pointing to the ongoing work of the Panoramix consortium. Audience includes many key IT industry actors in Scotland. https://events.scottish-enterprise.com/events/ClientApps/Silverbear.Web.EDMS/public/default.aspx?tabid=37&id=301258&orgId=1
On June 20-24, EPFL in Lausanne hosted the “Summer Research Institute” (SURI), a summer school with many talks by leading scientists in computer security. SURI featured two talks by the Panoramix researchers. Aggelos Kiayias from the University of Edinburgh gave a talk on “Foundations of Blockchain Protocols” while Helger Lipmaa from the University of Tartu gave
Following the last post, Panoramix members from University of Tartu also got a paper accepted to Asiacrypt 2016. The paper is called “A Shuffle Argument Secure in the Generic Model” (and authored by Prastudy Fauzi and Helger Lipmaa and Michał Zając, all from Tartu; eprint available at http://eprint.iacr.org/2016/866). A verifiable mix-net involves not only the shuffling
When owl:sameAs isn’t the Same Redux: Towards a Theory of Identity, Context, and Inference on the Semantic Web Harry Halpin, Patrick J. Hayes, and Henry S. Thompson Abstract: The Web changes knowledge representation in a number of surprising ways, and decentralized knowledge representation systems such as the Semantic Web will require a theory of identity for
SoK: Making Sense of Censorship Resistance Systems Sheharbano Khattak*, Tariq Elahi*, Laurent Simon, Colleen M. Swanson, Steven J. Murdoch, and Ian Goldberg Abstract: An increasing number of countries implement Internet censorship at different scales and for a variety of reasons. Several censorship resistance systems (CRSs) have emerged to help bypass such blocks. The diversity of the
Blockchain Mining Games Aggelos Kiayias, Elias Koutsoupias, Maria Kyropoulou, and Yiannis Tselekounis Abstract: We study the strategic considerations of miners participating in the bitcoin’s protocol. We formulate and study the stochastic game that underlies these strategic considerations. The miners collectively build a tree of blocks, and they are paid when they create a node (mine a
Foteini Baldimtsi, Aggelos Kiayias, Thomas Zacharias and Bingsheng Zhang: “Indistinguishable Proofs of Work or Knowledge“. Indistinguishable Proofs of Work or Knowledge (PoWorKs) constitute a novel class of interactive protocols where a prover can convince a verifier that she has either performed work or that she possesses knowledge of a witness to a public statement without the verifier
The PANORAMIX members Aggelos Kiayias and Thomas Zacharias in joint work with Foteini Baldimtsi and Bingsheng Zhang will present their work “Indistinguishable Proofs of Work or Knowledge” (PoWorKs) at the ASIACRYPT conference that will be held in December 4-8 2016, Hanoi, Vietnam. PoWorKs constitute a novel class of interactive protocols where a prover can convince a