Welcome to the resource topic for 2021/475
Title:
Private Liquidity Matching using MPC
Authors: Shahla Atapoor, Nigel P. Smart, Younes Talibi Alaoui
Abstract:Many central banks, as well as blockchain systems, are looking into distributed versions of interbank payment systems, in particular the netting procedure. When executed in a distributed manner this presents a number of privacy problems. This paper studies a privacy preserving netting protocol to solve the gridlock resolution problem in such Real Time Gross Settlement systems. Our solution utilizes Multi-party Computation and is implemented in the SCALE MAMBA system, using Shamir secret sharing scheme over three parties in an actively secure manner. Our experiments show that, even for large throughput systems, such a privacy preserving operation is often feasible.
ePrint: https://eprint.iacr.org/2021/475
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