Proposed "step-by-step roadmap for scaling rollups with calldata expansion and sharding" by Vitalik Buterin

[jpitts]

https://notes.ethereum.org/@vbuterin/data_sharding_roadmap

Proposed Roadmap

Step 1: tx calldata expansion

Step 2: a few shards

Step 3: N shards, committee-secured

Step 4: data availability sampling (DAS)

Related issues and questions

Optimistic and ZK rollups under sharding

Who would store historical data under sharding?

[jpitts]

Also, there is this recent roadmap visualization.

Source: https://twitter.com/VitalikButerin/status/1466411377107558402