Welcome to the resource topic for 2022/1520
Title:
Censorship-Resilient and Confidential Collateralized Second-Layer Payments
Authors: Kari Kostiainen, Sven Gnap, Ghassan Karame
Abstract:Permissionless blockchains are too slow for applications like
point-of-sale payments. While several techniques have been proposed to
speed up blockchain payments, none of them are satisfactory for application
scenarios like retail shopping. In particular, existing solutions like
payment channels require users to lock up significant funds and schemes
based on pre-defined validators enable easy transaction censoring. In this
paper, we develop Quicksilver, the first blockchain payment scheme that
works with practical collaterals and is fast, censorship-resilient, and confidential
at the same time.We implement Quicksilver for EVM-compatible
chains and show that censoring-resilient payments are fast and affordable
on currently popular blockchains platforms like Ethereum and Polygon.
ePrint: https://eprint.iacr.org/2022/1520
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