"This service is responsible to interacting with the Data Availability Layer (DA layer). The layer could be a content addressable storage layer like IPFS or any S3 compatible storage or it could a specific DA focused blockchain."

This is from the OP Stack Spec doc. Who wrote this and who approved it?

prev. EY-Parthenon | JPMorganChase&Co





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Probably doing stuff and things.

Are you familiar with the data availability challenge construct that must be used when IPFS or S3 is used for DA?

IPFS and S3 don’t offer Data Availability guarantees for blockchain systems.