Improvements on Distributed Ledgers Applications and Self Sovereign Identity Systems

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Event details

Date 29.08.2018
Hour 14:0016:00
Speaker Nicolas Gailly
Location
Category Conferences - Seminars
EDIC candidacy exam
Exam president: Prof. Jean-Pierre Hubaux
Thesis advisor: Prof. Bryan Ford
Co-examiner: Prof. Katerina Argyraki

Abstract
The digitalization of most of today's world activities have given rise to a new class of decentralized and trustless systems. For one, distributed ledgers have found practical use in less than 10 years and have generated an multi billion alternative economy. In this process, distributed ledgers generated its lot of challenging problems where cryptography is a core piece, such as how to create decentralized digital voting solutions, market place, or collaboration or sharing platforms, or more generically decentralized protocols such as randomness generation. Secondly, the increased connectivity of the mass have led to a massive use of digital online services where an user can have many different online identities. Most often, the private information stored in these digital identities is left ot the identity provider, and users have no control over it, leading to many stories of identity theft, and the selling of personally identifiable information for profit. There has been a recent surge of solutions using distributed ledgers to promote self sovereign digital identities solutions, by bringing the trustless nature of distributed ledgers to solve the inherent issues of managing an identity system. This thesis intends to perform a systematic study of these two synergistic domains and to improve the state of the art systems and protocols to enhance the protection of mass users of these new technologies.

Background papers
CONIKS: Bringing Key Transparency to end users, by M. Melara, A. Blankstein, J. Bonneau, E. Felten, and M. Freedman
Decentralizing public key infrastructure with ClaimChain, by  B. Kulynych, M. Isaakidis, C. Troncoso, G. Danezis
Catena: Efficient Non-equivocation via BitCoin, by A. Tomescu and S. Devadas

Practical information

  • General public
  • Free

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EDIC candidacy exam

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