Welcome to the resource topic for 2021/1589
Title:
SoK: Validating Bridges as a Scaling Solution for Blockchains
Authors: Patrick McCorry, Chris Buckland, Bennet Yee, Dawn Song
Abstract:Off-chain protocols are a promising solution to the cryptocurrency scalability dilemma. It focuses on moving transactions from a blockchain network like Ethereum to another off-chain system while ensuring users can transact with assets that reside on the underlying blockchain. Several startups have collectively raised over $100m to implement off-chain systems which rely on a validating bridge smart contract to self-enforce the safety of user funds and liveness of transaction execution. It promises to offer a Coinbase-like experience as users can transact on an off-chain system while still retaining the underlying blockchain’s security for all processed transactions. Unfortunately, the literature for validating bridges is highly disparate across message boards, chat rooms and for-profit ventures that fund its rapid development. This Systematization of Knowledge focuses on presenting the emerging field in an accessible manner and to bring forth the immediate research problems that must be solved before we can extend Ethereum’s security to new (and experimental) off-chain systems.
ePrint: https://eprint.iacr.org/2021/1589
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