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High Throughput Cryptocurrency Routing in Payment Channel Networks

on YouTube 21m
Talkat NSDI 2020 · 2020-02-25..02-27· NSDI '20: Santa Clara Ballroom· [cryptography, networking]

speakers

name:Vibhaalakshmi Sivaraman
links:none on file
name:Shaileshh Bojja Venkatakrishnan
links:none on file
name:Kathleen Ruan
links:none on file
name:Parimarjan Negi
links:none on file
name:Lei Yang
links:none on file
name:Radhika Mittal
links:none on file
name:Giulia Fanti
links:none on file
name:Mohammad Alizadeh
linkedin:mohammad-alizadeh-2b072241

resources

video:https://youtu.be/FA9XLG6IWGU
slides:none on file

summary

Describes Spider, a routing system for payment channel networks (like the Lightning Network) that splits (packetizes) payments and sends them over multiple paths using a congestion-control style protocol. It aims to avoid channel depletion and improve throughput and fairness by balancing utilization across links, enabling large transactions to complete over time on low-capacity channels. The paper evaluates Spider in simulation and reports it needs far less capital to route most transactions and moves more traffic onto the PCN under imbalanced demands.

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