In this episode of the Unchained podcast, the hosts tackle significant challenges facing Ethereum, particularly around scaling and interoperability. Justin Drake proposes a new approach called the "Beam Chain," which is a novel consensus layer that utilizes ZK technology. He stresses the need for Layer-2 (L2) solutions to effectively compete with platforms like Solana. Meanwhile, Martin Koppelman raises concerns about the increasing interoperability issues among different rollups. He suggests creating standardized L2s that are directly managed by Ethereum to ensure a unified economic environment and avoid fragmentation. While both experts agree on the necessity of enhancing interoperability, they have differing views on how to achieve it: Drake advocates for a decentralized, gradual evolution through L2 innovations, whereas Koppelman supports a more centralized approach with standardized L2s under Ethereum's direct oversight for faster results.