Scaling Ethereum Rollups with Helios

Helios, an Ethereum light client, is being expanded into a multichain light client so that rollup operators can verify cross-rollup messages without running full nodes for every chain they interoperate with. The team says it has implemented an OP Stack light client based on signed sequencer preconfirmations, which lets Helios sync on Optimism, Base, Unichain, World Chain, and other Superchain chains. The article says the team has also audited Helios's core L1 consensus verification, with a report to be published in the coming weeks, allowing bridges to use Helios for secure cross-chain message passing.