Rollup-centric ethereum with sharding or rollup-centric sharding?

[samueldashadrach]

I felt bad about this post so I made a new post that has a clearer proposal.

Should rollups custody their own history?

Off-shoot from my earlier post requesting tighter integration between rollups and shards Here’s a simple (not necessarily best) way of doing this. Validators follow the 64-shard spec as designed. 64 subnets exist and shard nodes exist for each subnet, same as always. Shard nodes defend security as they always do. Tight coupling exists, there is social pact to not accept chain if blocks from even one shard are unavailable. However, rollup nodes also exist. Rollup nodes only store those L1 bloc…

@vbuterin