Some have voiced concerns that this would make ICP less “on-chain”. @free is very concerned with the technical feasibility, and there are many unknowns and some unsolved problems.
My last comment was introducing the idea of data availability sampling as found in the Ethereum ecosystem (EIP-4844, dank sharding, EigenDA, Celestia) as a potential solution to allowing all replicas in a subnet to know that a large amount of data is available…something like that.
Let’s continue to discuss.