According to @VitalikButerin on X on Sep 5, 2025, cheap stablecoin transactions remain one of the most important sources of large-scale value in crypto, underscoring their priority for users and builders. According to @VitalikButerin on X on Sep 5, 2025, he welcomed Codex PBC as a new Ethereum L2 that is explicitly thinking about synergy with Ethereum L1 from day one. Based on @VitalikButerin's post on X on Sep 5, 2025, traders focused on ETH can monitor stablecoin transfer costs on L2s and the Codex PBC rollout as signals aligned with this emphasis on low-fee usage and L1-L2 coordination.