Building blocks for robust, private, and decentralized computation
Yurek, Thomas James
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https://hdl.handle.net/2142/121526
Description
Title
Building blocks for robust, private, and decentralized computation
Author(s)
Yurek, Thomas James
Issue Date
2023-07-14
Director of Research (if dissertation) or Advisor (if thesis)
Miller, Andrew
Doctoral Committee Chair(s)
Miller, Andrew
Committee Member(s)
Kate, Aniket
Ren, Ling
Borisov, Nikita
Levchenko, Kirill
Department of Study
Computer Science
Discipline
Computer Science
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Multiparty Computation
Secret Sharing
Cryptography
Asynchronous
Language
eng
Abstract
The Internet has become increasingly centralized. While the early internet of the 90's and early 2000's could be described as an eclectic and often chaotic collection of decentralized niche communities, market forces have pushed the internet increasingly towards the centralization of information and the surveillance of internet users. In response, a new movement has emerged which seeks to create decentralized infrastructure which avoids the need for trusted authorities and respects user privacy. However, this is an incredibly daunting task: trustless decentralized services are inherently more difficult to build than trusted centralized ones, and moreover, many of the tools and techniques needed to make competitive decentralized infrastructure do not yet exist. This work aims to take a step towards remedying this issue and focuses primarily on tools to build multiparty computation: a privacy-respecting method of computing useful information from private user data. More specifically, we focus on the deployment of the first functional prototypes of decentralized protocols which simultaneously operate under the most restrictive network settings and tolerate as much active interference as possible.
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