[ZISC Lunch Seminar] Enabling Trust with Privacy in Credit Networks

Thu 29Jun2017

Pedro Moreno-Sanchez, Purdue University

From 12.00 until 13.30

At CNB/F/110 (Lunch) + CNB/F/100.9 (Seminar), ETH Zurich

Universitätstrasse 6, 8092 Zurich


A credit network models trust between agents in a distributed environment and enables payments between arbitrary pairs of agents. With their flexible design and robustness against intrusion, credit networks form the basis of several Sybil-tolerant social networks, spam-resistant communication protocols, and payment systems.

In this talk, I will introduce the concept of credit network and characterize the privacy issues in currently deployed credit networks such as Ripple. I will also overview some of our privacy preserving payment systems that offer a tradeoff between security, privacy and compatibility guarantees for credit networks in order to meet the specific requirements of different applications.

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