Main topics and highlights. Full discussion on reddit here.Native Rollups and Execution Sharding in EthereumAccording to Justin Drake (EF researcher), there are two main concepts being discussed under the "native rollups" umbrella:Martin Köppelmann's approach - Similar to execution shards (monolithic chains following a predefined template)Justin Drake's proposal - Native L2s with customizable sequencing, DA, governance, and bridging that can be permissionlessly createdThe key differ...