To address this, the community chose a rollup-centric approach. The idea is simple: Instead of hosting all applications on Ethereum, the focus is on rollups that offer faster, cheaper transactions while still settling back on Ethereum. As a result, you get faster, cheaper transactions, but still keep Ethereum’s security.

However, L1 settlement alone is an incomplete picture of what the rollup-centric roadmap aims to accomplish. Ethereum also serves as an affordable settlement and DA layer for rollups. I see rollups (and their corresponding rollup platform à la Optimism Superchain and Arbitrum Orbit) as independent fiefdoms. Each platform will compete to give users ... See more