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arxiv: 2306.11456 · v1 · pith:HLBACPPK · submitted 2023-06-20 · cs.NI · cs.CR

Data Availability Sampling in Ethereum: Analysis of P2P Networking Requirements

Micha{\l} Kr\'ol , Onur Ascigil , Sergi Rene , Etienne Rivi\`ere , Matthieu Pigaglio , Kaleem Peeroo , Vladimir Stankovic , Ramin Sadre
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Felix Lange
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classification cs.NI cs.CR
keywords dataethereumavailabilitynetworkingrequirementssamplingvalidationamount
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Despite their increasing popularity, blockchains still suffer from severe scalability limitations. Recently, Ethereum proposed a novel approach to block validation based on Data Availability Sampling (DAS), that has the potential to improve its transaction per second rate by more than two orders of magnitude. DAS should also significantly reduce per-transaction validation costs. At the same time, DAS introduces new communication patterns in the Ethereum Peer-to-Peer (P2P) network. These drastically increase the amount of exchanged data and impose stringent latency objectives. In this paper, we review the new requirements for P2P networking associated with DAS, discuss open challenges, and identify new research directions.

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    Polynomial multiproofs verify multiple sampled cells with one aggregated proof over a shared micro-domain, cutting proof bytes, verifier resources, and infrastructure costs by up to 45% in the Avail case study.