📚Sources and Extra Material

Data availability | ethereum.orgethereum.org

What is the data availability layer?Alchemy

EigenLayer: Bringing Ethereum-Level Trust to MiddlewareMedium

An explanation of the sharding + DAS proposal - HackMDHackMD

Data availability checksDankrad Feist

What Is Ethereum’s ‘Data Availability' Problem, and Why Does It Matter?coindesk

The Ethereum Off-Chain Data Availability LandscapeCelestia Blog