What constrains throughput right now - DA cap from EIP‑4844…

What constrains throughput right now
- DA cap from EIP‑4844 (proto‑danksharding): Ethereum currently targets a small number of blobs per block (target ~3, max ~6, each ~128 KiB) with ~12s blocks. That’s on the order of ~0.03–0.06 MiB/s of blob DA globally shared across rollups. L2s compress/batch heavily, so this still yields low‑thousands TPS in aggregate, but it’s a shared, conservative cap by design.
- L2 internal limits: each rollup’s sequencer, execution, proof system, and networking can be the bottleneck even before DA.