Parallelization has been all the rage lately. About 12 L1s are building super-fast execution environments that would supposedly onboard the “next billion” users. But there’s a catch. Here is a snippet from our report https://members.delphidigital.io/reports/beyond-the-meme-of-parallelization-solving-for-state-growth

The benefits of parallel execution are usually presented without caveats. The first one is that there are only certain transactions within each block that can be parallelized. This is especially an issue during periods of high congestion. I