Payload Chunking tl;dr: Split an EL block (=payload) into multiple mini‑blocks (“chunks”) of fixed gas budget (e.g. 2**24 = 16.77M) that propagate independently as side cars. Each chunk carries the pre‑state it needs to execute statelessly and commits to its post‑state diff. Chunks are ordered but can be executed fully independently in parallel. CL commits to the set of chunk headers; sidecars carry bodies and inclusion proofs. Validation becomes more of a continuous stream. Motivat...