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Talks & Seminars
Title: Distributed IOweYou Credit Networks
Prof. Aniket Kate, Purdue University
Date & Time: January 3, 2017 11:30
Venue: Conference Room, C Block, 01st Floor, Department of Computer Science and Engineering, Kanwal Rekhi (KReSIT) Building
Abstract:
IOweYou (IOU) credit networks model transitive trust (or credit) between users in a decentralized environment. They have recently seen a rapid increase of popularity due to their flexible-yet-scalable design and robustness against intrusion. They serve today as a backbone of real-world permission-less payment settlement networks (e.g., Ripple and Stellar) as well as several other weak-identity systems such as spam-resistant communication protocols and Sybil-tolerant social networks. In payment scenarios, due to their unique capability to unite emerging crypto-currencies and user-defined currencies with the traditional fiat currency and banking systems, several existing and new payment enterprises are entering in this space. Nevertheless, this enthusiasm in the market significantly exceeds our understanding of security, privacy, and reliability of these inherently distributed systems. Currently employed ad hoc strategies to fix apparent flaws have made those systems vulnerable to bigger problems once they become lucrative targets for malicious players. In this talk, we will first define the concept of IOU credit networks, and describe some of the important credit network applications. We will then present and analyze the recent and ongoing projects to improve the credit-network security, privacy and reliability. We will end our discussion with interesting technical as well as legal challenges in the field.
Speaker Profile:
More information about the speaker can be found at https://www.cs.purdue.edu/homes/akate/ .
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